diff --git a/index.html b/index.html
index 3bd5e4e..ebd6b51 100644
--- a/index.html
+++ b/index.html
@@ -1758,7 +1758,6 @@
 
         /*# sourceMappingURL=main.css.map */
     </style>
-</head>
 <script>
     /* Constants for FLO blockchain operations !!Make sure to add this at begining!! */
     const floGlobals = {
@@ -1770,6 +1769,7 @@
         fee: 0.0005
     }
 </script>
+</head>
 
 <body onload="onLoadStartUp()">
     <div id="main-card">
@@ -2873,158 +2873,204 @@
         }
     </script>
 
-    <script>
-        //All util libraries required for Standard operations (DO NOT EDIT ANY)
+<script id="init_lib" version="1.0.1">
+    //All util libraries required for Standard operations (DO NOT EDIT ANY)
 
-        /*!
-        * Crypto-JS v2.5.4  Crypto.js
-        * http://code.google.com/p/crypto-js/
-        * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
-        * http://code.google.com/p/crypto-js/wiki/License
-        */
-        if (typeof Crypto == "undefined" || !Crypto.util) {
-            (function () {
+      /* Reactor Event handling */
+  if (typeof reactor == "undefined" || !reactor) {
+    (function () {
+      function Event(name) {
+        this.name = name;
+        this.callbacks = [];
+      }
 
-                var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+      Event.prototype.registerCallback = function (callback) {
+        this.callbacks.push(callback);
+      };
 
-                // Global Crypto object
-                var Crypto = window.Crypto = {};
+      function Reactor() {
+        this.events = {};
+      }
 
-                // Crypto utilities
-                var util = Crypto.util = {
+      Reactor.prototype.registerEvent = function (eventName) {
+        var event = new Event(eventName);
+        this.events[eventName] = event;
+      };
 
-                    // Bit-wise rotate left
-                    rotl: function (n, b) {
-                        return (n << b) | (n >>> (32 - b));
-                    },
+      Reactor.prototype.dispatchEvent = function (eventName, eventArgs) {
+        this.events[eventName].callbacks.forEach(function (callback) {
+          callback(eventArgs);
+        });
+      };
 
-                    // Bit-wise rotate right
-                    rotr: function (n, b) {
-                        return (n << (32 - b)) | (n >>> b);
-                    },
+      Reactor.prototype.addEventListener = function (eventName, callback) {
+        this.events[eventName].registerCallback(callback);
+      };
 
-                    // Swap big-endian to little-endian and vice versa
-                    endian: function (n) {
+      window.reactor = new Reactor();
+    })();
+  }
 
-                        // If number given, swap endian
-                        if (n.constructor == Number) {
-                            return util.rotl(n, 8) & 0x00FF00FF |
-                                util.rotl(n, 24) & 0xFF00FF00;
-                        }
+  /* Sample Usage
+    --Creating and defining the event--
+    reactor.registerEvent('<eventName>');
+    reactor.addEventListener('<eventName>', function(someObject){
+      do something...
+    });
+    --Firing the event--
+    reactor.dispatchEvent('<eventName>',<someObject>);
+  */
 
-                        // Else, assume array and swap all items
-                        for (var i = 0; i < n.length; i++)
-                            n[i] = util.endian(n[i]);
-                        return n;
+  
+/*!
+* Crypto-JS v2.5.4  Crypto.js
+* http://code.google.com/p/crypto-js/
+* Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+* http://code.google.com/p/crypto-js/wiki/License
+*/
+if (typeof Crypto == "undefined" || !Crypto.util) {
+    (function () {
 
-                    },
+        var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
-                    // Generate an array of any length of random bytes
-                    randomBytes: function (n) {
-                        for (var bytes = []; n > 0; n--)
-                            bytes.push(Math.floor(Math.random() * 256));
-                        return bytes;
-                    },
+        // Global Crypto object
+        var Crypto = window.Crypto = {};
 
-                    // Convert a byte array to big-endian 32-bit words
-                    bytesToWords: function (bytes) {
-                        for (var words = [], i = 0, b = 0; i < bytes.length; i++, b += 8)
-                            words[b >>> 5] |= (bytes[i] & 0xFF) << (24 - b % 32);
-                        return words;
-                    },
+        // Crypto utilities
+        var util = Crypto.util = {
 
-                    // Convert big-endian 32-bit words to a byte array
-                    wordsToBytes: function (words) {
-                        for (var bytes = [], b = 0; b < words.length * 32; b += 8)
-                            bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
-                        return bytes;
-                    },
+            // Bit-wise rotate left
+            rotl: function (n, b) {
+                return (n << b) | (n >>> (32 - b));
+            },
 
-                    // Convert a byte array to a hex string
-                    bytesToHex: function (bytes) {
-                        for (var hex = [], i = 0; i < bytes.length; i++) {
-                            hex.push((bytes[i] >>> 4).toString(16));
-                            hex.push((bytes[i] & 0xF).toString(16));
-                        }
-                        return hex.join("");
-                    },
+            // Bit-wise rotate right
+            rotr: function (n, b) {
+                return (n << (32 - b)) | (n >>> b);
+            },
 
-                    // Convert a hex string to a byte array
-                    hexToBytes: function (hex) {
-                        for (var bytes = [], c = 0; c < hex.length; c += 2)
-                            bytes.push(parseInt(hex.substr(c, 2), 16));
-                        return bytes;
-                    },
+            // Swap big-endian to little-endian and vice versa
+            endian: function (n) {
 
-                    // Convert a byte array to a base-64 string
-                    bytesToBase64: function (bytes) {
-                        for (var base64 = [], i = 0; i < bytes.length; i += 3) {
-                            var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
-                            for (var j = 0; j < 4; j++) {
-                                if (i * 8 + j * 6 <= bytes.length * 8)
-                                    base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F));
-                                else base64.push("=");
-                            }
-                        }
+                // If number given, swap endian
+                if (n.constructor == Number) {
+                    return util.rotl(n, 8) & 0x00FF00FF |
+                util.rotl(n, 24) & 0xFF00FF00;
+                }
 
-                        return base64.join("");
-                    },
+                // Else, assume array and swap all items
+                for (var i = 0; i < n.length; i++)
+                    n[i] = util.endian(n[i]);
+                return n;
 
-                    // Convert a base-64 string to a byte array
-                    base64ToBytes: function (base64) {
-                        // Remove non-base-64 characters
-                        base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
+            },
 
-                        for (var bytes = [], i = 0, imod4 = 0; i < base64.length; imod4 = ++i % 4) {
-                            if (imod4 == 0) continue;
-                            bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) |
-                                (base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2)));
-                        }
+            // Generate an array of any length of random bytes
+            randomBytes: function (n) {
+                for (var bytes = []; n > 0; n--)
+                    bytes.push(Math.floor(Math.random() * 256));
+                return bytes;
+            },
 
-                        return bytes;
+            // Convert a byte array to big-endian 32-bit words
+            bytesToWords: function (bytes) {
+                for (var words = [], i = 0, b = 0; i < bytes.length; i++, b += 8)
+                    words[b >>> 5] |= (bytes[i] & 0xFF) << (24 - b % 32);
+                return words;
+            },
+
+            // Convert big-endian 32-bit words to a byte array
+            wordsToBytes: function (words) {
+                for (var bytes = [], b = 0; b < words.length * 32; b += 8)
+                    bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
+                return bytes;
+            },
+
+            // Convert a byte array to a hex string
+            bytesToHex: function (bytes) {
+                for (var hex = [], i = 0; i < bytes.length; i++) {
+                    hex.push((bytes[i] >>> 4).toString(16));
+                    hex.push((bytes[i] & 0xF).toString(16));
+                }
+                return hex.join("");
+            },
+
+            // Convert a hex string to a byte array
+            hexToBytes: function (hex) {
+                for (var bytes = [], c = 0; c < hex.length; c += 2)
+                    bytes.push(parseInt(hex.substr(c, 2), 16));
+                return bytes;
+            },
+
+            // Convert a byte array to a base-64 string
+            bytesToBase64: function (bytes) {
+                for (var base64 = [], i = 0; i < bytes.length; i += 3) {
+                    var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
+                    for (var j = 0; j < 4; j++) {
+                        if (i * 8 + j * 6 <= bytes.length * 8)
+                            base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F));
+                        else base64.push("=");
                     }
+                }
 
-                };
+                return base64.join("");
+            },
 
-                // Crypto character encodings
-                var charenc = Crypto.charenc = {};
+            // Convert a base-64 string to a byte array
+            base64ToBytes: function (base64) {
+                // Remove non-base-64 characters
+                base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
 
-                // UTF-8 encoding
-                var UTF8 = charenc.UTF8 = {
+                for (var bytes = [], i = 0, imod4 = 0; i < base64.length; imod4 = ++i % 4) {
+                    if (imod4 == 0) continue;
+                    bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) |
+                    (base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2)));
+                }
 
-                    // Convert a string to a byte array
-                    stringToBytes: function (str) {
-                        return Binary.stringToBytes(unescape(encodeURIComponent(str)));
-                    },
+                return bytes;
+            }
 
-                    // Convert a byte array to a string
-                    bytesToString: function (bytes) {
-                        return decodeURIComponent(escape(Binary.bytesToString(bytes)));
-                    }
+        };
 
-                };
+        // Crypto character encodings
+        var charenc = Crypto.charenc = {};
 
-                // Binary encoding
-                var Binary = charenc.Binary = {
+        // UTF-8 encoding
+        var UTF8 = charenc.UTF8 = {
 
-                    // Convert a string to a byte array
-                    stringToBytes: function (str) {
-                        for (var bytes = [], i = 0; i < str.length; i++)
-                            bytes.push(str.charCodeAt(i) & 0xFF);
-                        return bytes;
-                    },
+            // Convert a string to a byte array
+            stringToBytes: function (str) {
+                return Binary.stringToBytes(unescape(encodeURIComponent(str)));
+            },
 
-                    // Convert a byte array to a string
-                    bytesToString: function (bytes) {
-                        for (var str = [], i = 0; i < bytes.length; i++)
-                            str.push(String.fromCharCode(bytes[i]));
-                        return str.join("");
-                    }
+            // Convert a byte array to a string
+            bytesToString: function (bytes) {
+                return decodeURIComponent(escape(Binary.bytesToString(bytes)));
+            }
 
-                };
+        };
 
-            })();
-        }
+        // Binary encoding
+        var Binary = charenc.Binary = {
+
+            // Convert a string to a byte array
+            stringToBytes: function (str) {
+                for (var bytes = [], i = 0; i < str.length; i++)
+                    bytes.push(str.charCodeAt(i) & 0xFF);
+                return bytes;
+            },
+
+            // Convert a byte array to a string
+            bytesToString: function (bytes) {
+                for (var str = [], i = 0; i < bytes.length; i++)
+                    str.push(String.fromCharCode(bytes[i]));
+                return str.join("");
+            }
+
+        };
+
+    })();
+}
 
 
 
@@ -3049,7 +3095,7 @@
                 var digestbytes = util.wordsToBytes(SHA1._sha1(message));
                 return options && options.asBytes ? digestbytes :
                     options && options.asString ? Binary.bytesToString(digestbytes) :
-                        util.bytesToHex(digestbytes);
+                    util.bytesToHex(digestbytes);
             };
 
             // The core
@@ -3090,9 +3136,9 @@
 
                         var t = ((H0 << 5) | (H0 >>> 27)) + H4 + (w[j] >>> 0) + (
                             j < 20 ? (H1 & H2 | ~H1 & H3) + 1518500249 :
-                                j < 40 ? (H1 ^ H2 ^ H3) + 1859775393 :
-                                    j < 60 ? (H1 & H2 | H1 & H3 | H2 & H3) - 1894007588 :
-                                        (H1 ^ H2 ^ H3) - 899497514);
+                            j < 40 ? (H1 ^ H2 ^ H3) + 1859775393 :
+                            j < 60 ? (H1 & H2 | H1 & H3 | H2 & H3) - 1894007588 :
+                            (H1 ^ H2 ^ H3) - 899497514);
 
                         H4 = H3;
                         H3 = H2;
@@ -3166,7 +3212,7 @@
 
                 return options && options.asBytes ? hmacbytes :
                     options && options.asString ? Binary.bytesToString(hmacbytes) :
-                        util.bytesToHex(hmacbytes);
+                    util.bytesToHex(hmacbytes);
 
             };
 
@@ -3239,8 +3285,8 @@
                         for (var b = b.replace(/[^A-Z0-9+\/]/ig, ""), a = [], c = 0, e = 0; c < b.length; e = ++c %
                             4) e != 0 && a.push(("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
                                 .indexOf(b.charAt(c - 1)) & Math.pow(2, -2 * e + 8) - 1) << e * 2 |
-                                "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(b.charAt(
-                                    c)) >>> 6 - e * 2);
+                            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(b.charAt(
+                                c)) >>> 6 - e * 2);
                         return a
                     }
                 },
@@ -3307,7 +3353,7 @@
                     for (h = 0; h < 64; h++) {
                         h < 16 ? d[h] = e[h + t] : (l = d[h - 15], j = d[h - 2], d[h] = ((l << 25 | l >>> 7) ^
                             (l << 14 | l >>> 18) ^ l >>> 3) + (d[h - 7] >>> 0) + ((j << 15 | j >>> 17) ^
-                                (j << 13 | j >>> 19) ^ j >>> 10) + (d[h - 16] >>> 0));
+                            (j << 13 | j >>> 19) ^ j >>> 10) + (d[h - 16] >>> 0));
                         j = f & g ^ f & m ^ g & m;
                         var u = (f << 30 | f >>> 2) ^ (f << 19 | f >>> 13) ^ (f << 10 | f >>> 22);
                         l = (s >>> 0) + ((i << 26 | i >>> 6) ^ (i << 21 | i >>> 11) ^ (i << 7 | i >>> 25)) +
@@ -3360,192 +3406,192 @@
         })();
 
 
-        /*!
-        * Random number generator with ArcFour PRNG
-        *
-        * NOTE: For best results, put code like
-        * <body onclick='SecureRandom.seedTime();' onkeypress='SecureRandom.seedTime();'>
-        * in your main HTML document.
-        *
-        * Copyright Tom Wu, bitaddress.org  BSD License.
-        * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
-        */
-        (function () {
+/*!
+* Random number generator with ArcFour PRNG
+*
+* NOTE: For best results, put code like
+* <body onclick='SecureRandom.seedTime();' onkeypress='SecureRandom.seedTime();'>
+* in your main HTML document.
+*
+* Copyright Tom Wu, bitaddress.org  BSD License.
+* http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
+*/
+(function () {
 
-            // Constructor function of Global SecureRandom object
-            var sr = window.SecureRandom = function () { };
+    // Constructor function of Global SecureRandom object
+    var sr = window.SecureRandom = function () { };
 
-            // Properties
-            sr.state;
-            sr.pool;
-            sr.pptr;
-            sr.poolCopyOnInit;
+    // Properties
+    sr.state;
+    sr.pool;
+    sr.pptr;
+    sr.poolCopyOnInit;
 
-            // Pool size must be a multiple of 4 and greater than 32.
-            // An array of bytes the size of the pool will be passed to init()
-            sr.poolSize = 256;
+    // Pool size must be a multiple of 4 and greater than 32.
+    // An array of bytes the size of the pool will be passed to init()
+    sr.poolSize = 256;
 
-            // --- object methods ---
+    // --- object methods ---
 
-            // public method
-            // ba: byte array
-            sr.prototype.nextBytes = function (ba) {
-                var i;
-                if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
-                    try {
-                        var rvBytes = new Uint8Array(ba.length);
-                        window.crypto.getRandomValues(rvBytes);
-                        for (i = 0; i < ba.length; ++i)
-                            ba[i] = sr.getByte() ^ rvBytes[i];
-                        return;
-                    } catch (e) {
-                        alert(e);
-                    }
-                }
-                for (i = 0; i < ba.length; ++i) ba[i] = sr.getByte();
-            };
-
-
-            // --- static methods ---
-
-            // Mix in the current time (w/milliseconds) into the pool
-            // NOTE: this method should be called from body click/keypress event handlers to increase entropy
-            sr.seedTime = function () {
-                sr.seedInt(new Date().getTime());
+    // public method
+    // ba: byte array
+    sr.prototype.nextBytes = function (ba) {
+        var i;
+        if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
+            try {
+                var rvBytes = new Uint8Array(ba.length);
+                window.crypto.getRandomValues(rvBytes);
+                for (i = 0; i < ba.length; ++i)
+                    ba[i] = sr.getByte() ^ rvBytes[i];
+                return;
+            } catch (e) {
+                alert(e);
             }
+        }
+        for (i = 0; i < ba.length; ++i) ba[i] = sr.getByte();
+    };
 
-            sr.getByte = function () {
-                if (sr.state == null) {
-                    sr.seedTime();
-                    sr.state = sr.ArcFour(); // Plug in your RNG constructor here
-                    sr.state.init(sr.pool);
-                    sr.poolCopyOnInit = [];
-                    for (sr.pptr = 0; sr.pptr < sr.pool.length; ++sr.pptr)
-                        sr.poolCopyOnInit[sr.pptr] = sr.pool[sr.pptr];
-                    sr.pptr = 0;
-                }
-                // TODO: allow reseeding after first request
-                return sr.state.next();
+
+    // --- static methods ---
+
+    // Mix in the current time (w/milliseconds) into the pool
+    // NOTE: this method should be called from body click/keypress event handlers to increase entropy
+    sr.seedTime = function () {
+        sr.seedInt(new Date().getTime());
+    }
+
+    sr.getByte = function () {
+        if (sr.state == null) {
+            sr.seedTime();
+            sr.state = sr.ArcFour(); // Plug in your RNG constructor here
+            sr.state.init(sr.pool);
+            sr.poolCopyOnInit = [];
+            for (sr.pptr = 0; sr.pptr < sr.pool.length; ++sr.pptr)
+                sr.poolCopyOnInit[sr.pptr] = sr.pool[sr.pptr];
+            sr.pptr = 0;
+        }
+        // TODO: allow reseeding after first request
+        return sr.state.next();
+    }
+
+    // Mix in a 32-bit integer into the pool
+    sr.seedInt = function (x) {
+        sr.seedInt8(x);
+        sr.seedInt8((x >> 8));
+        sr.seedInt8((x >> 16));
+        sr.seedInt8((x >> 24));
+    }
+
+    // Mix in a 16-bit integer into the pool
+    sr.seedInt16 = function (x) {
+        sr.seedInt8(x);
+        sr.seedInt8((x >> 8));
+    }
+
+    // Mix in a 8-bit integer into the pool
+    sr.seedInt8 = function (x) {
+        sr.pool[sr.pptr++] ^= x & 255;
+        if (sr.pptr >= sr.poolSize) sr.pptr -= sr.poolSize;
+    }
+
+    // Arcfour is a PRNG
+    sr.ArcFour = function () {
+        function Arcfour() {
+            this.i = 0;
+            this.j = 0;
+            this.S = new Array();
+        }
+
+        // Initialize arcfour context from key, an array of ints, each from [0..255]
+        function ARC4init(key) {
+            var i, j, t;
+            for (i = 0; i < 256; ++i)
+                this.S[i] = i;
+            j = 0;
+            for (i = 0; i < 256; ++i) {
+                j = (j + this.S[i] + key[i % key.length]) & 255;
+                t = this.S[i];
+                this.S[i] = this.S[j];
+                this.S[j] = t;
             }
+            this.i = 0;
+            this.j = 0;
+        }
 
-            // Mix in a 32-bit integer into the pool
-            sr.seedInt = function (x) {
-                sr.seedInt8(x);
-                sr.seedInt8((x >> 8));
-                sr.seedInt8((x >> 16));
-                sr.seedInt8((x >> 24));
-            }
+        function ARC4next() {
+            var t;
+            this.i = (this.i + 1) & 255;
+            this.j = (this.j + this.S[this.i]) & 255;
+            t = this.S[this.i];
+            this.S[this.i] = this.S[this.j];
+            this.S[this.j] = t;
+            return this.S[(t + this.S[this.i]) & 255];
+        }
 
-            // Mix in a 16-bit integer into the pool
-            sr.seedInt16 = function (x) {
-                sr.seedInt8(x);
-                sr.seedInt8((x >> 8));
-            }
+        Arcfour.prototype.init = ARC4init;
+        Arcfour.prototype.next = ARC4next;
 
-            // Mix in a 8-bit integer into the pool
-            sr.seedInt8 = function (x) {
-                sr.pool[sr.pptr++] ^= x & 255;
-                if (sr.pptr >= sr.poolSize) sr.pptr -= sr.poolSize;
-            }
-
-            // Arcfour is a PRNG
-            sr.ArcFour = function () {
-                function Arcfour() {
-                    this.i = 0;
-                    this.j = 0;
-                    this.S = new Array();
-                }
-
-                // Initialize arcfour context from key, an array of ints, each from [0..255]
-                function ARC4init(key) {
-                    var i, j, t;
-                    for (i = 0; i < 256; ++i)
-                        this.S[i] = i;
-                    j = 0;
-                    for (i = 0; i < 256; ++i) {
-                        j = (j + this.S[i] + key[i % key.length]) & 255;
-                        t = this.S[i];
-                        this.S[i] = this.S[j];
-                        this.S[j] = t;
-                    }
-                    this.i = 0;
-                    this.j = 0;
-                }
-
-                function ARC4next() {
-                    var t;
-                    this.i = (this.i + 1) & 255;
-                    this.j = (this.j + this.S[this.i]) & 255;
-                    t = this.S[this.i];
-                    this.S[this.i] = this.S[this.j];
-                    this.S[this.j] = t;
-                    return this.S[(t + this.S[this.i]) & 255];
-                }
-
-                Arcfour.prototype.init = ARC4init;
-                Arcfour.prototype.next = ARC4next;
-
-                return new Arcfour();
-            };
+        return new Arcfour();
+    };
 
 
-            // Initialize the pool with junk if needed.
-            if (sr.pool == null) {
-                sr.pool = new Array();
-                sr.pptr = 0;
-                var t;
-                if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
-                    try {
-                        // Use webcrypto if available
-                        var ua = new Uint8Array(sr.poolSize);
-                        window.crypto.getRandomValues(ua);
-                        for (t = 0; t < sr.poolSize; ++t)
-                            sr.pool[sr.pptr++] = ua[t];
-                    } catch (e) { alert(e); }
-                }
-                while (sr.pptr < sr.poolSize) {  // extract some randomness from Math.random()
-                    t = Math.floor(65536 * Math.random());
-                    sr.pool[sr.pptr++] = t >>> 8;
-                    sr.pool[sr.pptr++] = t & 255;
-                }
-                sr.pptr = Math.floor(sr.poolSize * Math.random());
-                sr.seedTime();
-                // entropy
-                var entropyStr = "";
-                // screen size and color depth: ~4.8 to ~5.4 bits
-                entropyStr += (window.screen.height * window.screen.width * window.screen.colorDepth);
-                entropyStr += (window.screen.availHeight * window.screen.availWidth * window.screen.pixelDepth);
-                // time zone offset: ~4 bits
-                var dateObj = new Date();
-                var timeZoneOffset = dateObj.getTimezoneOffset();
-                entropyStr += timeZoneOffset;
-                // user agent: ~8.3 to ~11.6 bits
-                entropyStr += navigator.userAgent;
-                // browser plugin details: ~16.2 to ~21.8 bits
-                var pluginsStr = "";
-                for (var i = 0; i < navigator.plugins.length; i++) {
-                    pluginsStr += navigator.plugins[i].name + " " + navigator.plugins[i].filename + " " + navigator.plugins[i].description + " " + navigator.plugins[i].version + ", ";
-                }
-                var mimeTypesStr = "";
-                for (var i = 0; i < navigator.mimeTypes.length; i++) {
-                    mimeTypesStr += navigator.mimeTypes[i].description + " " + navigator.mimeTypes[i].type + " " + navigator.mimeTypes[i].suffixes + ", ";
-                }
-                entropyStr += pluginsStr + mimeTypesStr;
-                // cookies and storage: 1 bit
-                entropyStr += navigator.cookieEnabled + typeof (sessionStorage) + typeof (localStorage);
-                // language: ~7 bit
-                entropyStr += navigator.language;
-                // history: ~2 bit
-                entropyStr += window.history.length;
-                // location
-                entropyStr += window.location;
+    // Initialize the pool with junk if needed.
+    if (sr.pool == null) {
+        sr.pool = new Array();
+        sr.pptr = 0;
+        var t;
+        if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
+            try {
+                // Use webcrypto if available
+                var ua = new Uint8Array(sr.poolSize);
+                window.crypto.getRandomValues(ua);
+                for (t = 0; t < sr.poolSize; ++t)
+                    sr.pool[sr.pptr++] = ua[t];
+            } catch (e) { alert(e); }
+        }
+        while (sr.pptr < sr.poolSize) {  // extract some randomness from Math.random()
+            t = Math.floor(65536 * Math.random());
+            sr.pool[sr.pptr++] = t >>> 8;
+            sr.pool[sr.pptr++] = t & 255;
+        }
+        sr.pptr = Math.floor(sr.poolSize * Math.random());
+        sr.seedTime();
+        // entropy
+        var entropyStr = "";
+        // screen size and color depth: ~4.8 to ~5.4 bits
+        entropyStr += (window.screen.height * window.screen.width * window.screen.colorDepth);
+        entropyStr += (window.screen.availHeight * window.screen.availWidth * window.screen.pixelDepth);
+        // time zone offset: ~4 bits
+        var dateObj = new Date();
+        var timeZoneOffset = dateObj.getTimezoneOffset();
+        entropyStr += timeZoneOffset;
+        // user agent: ~8.3 to ~11.6 bits
+        entropyStr += navigator.userAgent;
+        // browser plugin details: ~16.2 to ~21.8 bits
+        var pluginsStr = "";
+        for (var i = 0; i < navigator.plugins.length; i++) {
+            pluginsStr += navigator.plugins[i].name + " " + navigator.plugins[i].filename + " " + navigator.plugins[i].description + " " + navigator.plugins[i].version + ", ";
+        }
+        var mimeTypesStr = "";
+        for (var i = 0; i < navigator.mimeTypes.length; i++) {
+            mimeTypesStr += navigator.mimeTypes[i].description + " " + navigator.mimeTypes[i].type + " " + navigator.mimeTypes[i].suffixes + ", ";
+        }
+        entropyStr += pluginsStr + mimeTypesStr;
+        // cookies and storage: 1 bit
+        entropyStr += navigator.cookieEnabled + typeof (sessionStorage) + typeof (localStorage);
+        // language: ~7 bit
+        entropyStr += navigator.language;
+        // history: ~2 bit
+        entropyStr += window.history.length;
+        // location
+        entropyStr += window.location;
 
-                var entropyBytes = Crypto.SHA256(entropyStr, { asBytes: true });
-                for (var i = 0; i < entropyBytes.length; i++) {
-                    sr.seedInt8(entropyBytes[i]);
-                }
-            }
-        })();
+        var entropyBytes = Crypto.SHA256(entropyStr, { asBytes: true });
+        for (var i = 0 ; i < entropyBytes.length ; i++) {
+            sr.seedInt8(entropyBytes[i]);
+        }
+    }
+})();
 
 
         //ripemd160.js
@@ -3777,7 +3823,7 @@
                 if (a != null)
                     if ("number" == typeof a) this.fromNumber(a, b, c);
                     else if (b == null && "string" != typeof a) this.fromString(a, 256);
-                    else this.fromString(a, b);
+                else this.fromString(a, b);
             };
 
             // Bits per digit
@@ -5243,7 +5289,7 @@
 
 
             // A "null" reducer
-            var NullExp = window.NullExp = function NullExp() { }
+            var NullExp = window.NullExp = function NullExp() {}
             NullExp.prototype.convert = function (x) {
                 return x;
             };
@@ -5334,7 +5380,7 @@
         (function () {
 
             // Constructor function of Global EllipticCurve object
-            var ec = window.EllipticCurve = function () { };
+            var ec  = window.EllipticCurve = function () {};
 
             // ----------------
             // ECFieldElementFp constructor
@@ -5420,7 +5466,7 @@
                         P = new BigInteger(this.q.bitLength(), rand);
                     }
                     while (P.compareTo(this.q) >= 0 || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent,
-                        this.q).equals(qMinusOne)));
+                            this.q).equals(qMinusOne)));
 
                     var result = ec.FieldElementFp.fastLucasSequence(this.q, P, Q, k);
 
@@ -5439,7 +5485,1271 @@
 
                 return null;
             };
+                /*!
+        * Crypto-JS 2.5.4 BlockModes.js
+        * contribution from Simon Greatrix
+        */
 
+        (function (C) {
+
+            // Create pad namespace
+            var C_pad = C.pad = {};
+
+            // Calculate the number of padding bytes required.
+            function _requiredPadding(cipher, message) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                var reqd = blockSizeInBytes - message.length % blockSizeInBytes;
+                return reqd;
+            }
+
+            // Remove padding when the final byte gives the number of padding bytes.
+            var _unpadLength = function (cipher, message, alg, padding) {
+                var pad = message.pop();
+                if (pad == 0) {
+                    throw new Error("Invalid zero-length padding specified for " + alg +
+                        ". Wrong cipher specification or key used?");
+                }
+                var maxPad = cipher._blocksize * 4;
+                if (pad > maxPad) {
+                    throw new Error("Invalid padding length of " + pad +
+                        " specified for " + alg +
+                        ". Wrong cipher specification or key used?");
+                }
+                for (var i = 1; i < pad; i++) {
+                    var b = message.pop();
+                    if (padding != undefined && padding != b) {
+                        throw new Error("Invalid padding byte of 0x" + b.toString(16) +
+                            " specified for " + alg +
+                            ". Wrong cipher specification or key used?");
+                    }
+                }
+            };
+
+            // No-operation padding, used for stream ciphers
+            C_pad.NoPadding = {
+                pad: function (cipher, message) {},
+                unpad: function (cipher, message) {}
+            };
+
+            // Zero Padding.
+            //
+            // If the message is not an exact number of blocks, the final block is
+            // completed with 0x00 bytes. There is no unpadding.
+            C_pad.ZeroPadding = {
+                pad: function (cipher, message) {
+                    var blockSizeInBytes = cipher._blocksize * 4;
+                    var reqd = message.length % blockSizeInBytes;
+                    if (reqd != 0) {
+                        for (reqd = blockSizeInBytes - reqd; reqd > 0; reqd--) {
+                            message.push(0x00);
+                        }
+                    }
+                },
+
+                unpad: function (cipher, message) {
+                    while (message[message.length - 1] == 0) {
+                        message.pop();
+                    }
+                }
+            };
+
+            // ISO/IEC 7816-4 padding.
+            //
+            // Pads the plain text with an 0x80 byte followed by as many 0x00
+            // bytes are required to complete the block.
+            C_pad.iso7816 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    message.push(0x80);
+                    for (; reqd > 1; reqd--) {
+                        message.push(0x00);
+                    }
+                },
+
+                unpad: function (cipher, message) {
+                    var padLength;
+                    for (padLength = cipher._blocksize * 4; padLength > 0; padLength--) {
+                        var b = message.pop();
+                        if (b == 0x80) return;
+                        if (b != 0x00) {
+                            throw new Error("ISO-7816 padding byte must be 0, not 0x" + b.toString(16) +
+                                ". Wrong cipher specification or key used?");
+                        }
+                    }
+                    throw new Error(
+                        "ISO-7816 padded beyond cipher block size. Wrong cipher specification or key used?"
+                    );
+                }
+            };
+
+            // ANSI X.923 padding
+            //
+            // The final block is padded with zeros except for the last byte of the
+            // last block which contains the number of padding bytes.
+            C_pad.ansix923 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    for (var i = 1; i < reqd; i++) {
+                        message.push(0x00);
+                    }
+                    message.push(reqd);
+                },
+
+                unpad: function (cipher, message) {
+                    _unpadLength(cipher, message, "ANSI X.923", 0);
+                }
+            };
+
+            // ISO 10126
+            //
+            // The final block is padded with random bytes except for the last
+            // byte of the last block which contains the number of padding bytes.
+            C_pad.iso10126 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    for (var i = 1; i < reqd; i++) {
+                        message.push(Math.floor(Math.random() * 256));
+                    }
+                    message.push(reqd);
+                },
+
+                unpad: function (cipher, message) {
+                    _unpadLength(cipher, message, "ISO 10126", undefined);
+                }
+            };
+
+            // PKCS7 padding
+            //
+            // PKCS7 is described in RFC 5652. Padding is in whole bytes. The
+            // value of each added byte is the number of bytes that are added,
+            // i.e. N bytes, each of value N are added.
+            C_pad.pkcs7 = {
+                pad: function (cipher, message) {
+                    var reqd = _requiredPadding(cipher, message);
+                    for (var i = 0; i < reqd; i++) {
+                        message.push(reqd);
+                    }
+                },
+
+                unpad: function (cipher, message) {
+                    _unpadLength(cipher, message, "PKCS 7", message[message.length - 1]);
+                }
+            };
+
+            // Create mode namespace
+            var C_mode = C.mode = {};
+
+            /**
+            * Mode base "class".
+            */
+            var Mode = C_mode.Mode = function (padding) {
+                if (padding) {
+                    this._padding = padding;
+                }
+            };
+
+            Mode.prototype = {
+                encrypt: function (cipher, m, iv) {
+                    this._padding.pad(cipher, m);
+                    this._doEncrypt(cipher, m, iv);
+                },
+
+                decrypt: function (cipher, m, iv) {
+                    this._doDecrypt(cipher, m, iv);
+                    this._padding.unpad(cipher, m);
+                },
+
+                // Default padding
+                _padding: C_pad.iso7816
+            };
+
+
+            /**
+            * Electronic Code Book mode.
+            * 
+            * ECB applies the cipher directly against each block of the input.
+            * 
+            * ECB does not require an initialization vector.
+            */
+            var ECB = C_mode.ECB = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var ECB_prototype = ECB.prototype = new Mode;
+
+            // Concrete steps for Mode template
+            ECB_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                // Encrypt each block
+                for (var offset = 0; offset < m.length; offset += blockSizeInBytes) {
+                    cipher._encryptblock(m, offset);
+                }
+            };
+            ECB_prototype._doDecrypt = function (cipher, c, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                // Decrypt each block
+                for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
+                    cipher._decryptblock(c, offset);
+                }
+            };
+
+            // ECB never uses an IV
+            ECB_prototype.fixOptions = function (options) {
+                options.iv = [];
+            };
+
+
+            /**
+            * Cipher block chaining
+            * 
+            * The first block is XORed with the IV. Subsequent blocks are XOR with the
+            * previous cipher output.
+            */
+            var CBC = C_mode.CBC = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var CBC_prototype = CBC.prototype = new Mode;
+
+            // Concrete steps for Mode template
+            CBC_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+
+                // Encrypt each block
+                for (var offset = 0; offset < m.length; offset += blockSizeInBytes) {
+                    if (offset == 0) {
+                        // XOR first block using IV
+                        for (var i = 0; i < blockSizeInBytes; i++)
+                            m[i] ^= iv[i];
+                    } else {
+                        // XOR this block using previous crypted block
+                        for (var i = 0; i < blockSizeInBytes; i++)
+                            m[offset + i] ^= m[offset + i - blockSizeInBytes];
+                    }
+                    // Encrypt block
+                    cipher._encryptblock(m, offset);
+                }
+            };
+            CBC_prototype._doDecrypt = function (cipher, c, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+
+                // At the start, the previously crypted block is the IV
+                var prevCryptedBlock = iv;
+
+                // Decrypt each block
+                for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
+                    // Save this crypted block
+                    var thisCryptedBlock = c.slice(offset, offset + blockSizeInBytes);
+                    // Decrypt block
+                    cipher._decryptblock(c, offset);
+                    // XOR decrypted block using previous crypted block
+                    for (var i = 0; i < blockSizeInBytes; i++) {
+                        c[offset + i] ^= prevCryptedBlock[i];
+                    }
+                    prevCryptedBlock = thisCryptedBlock;
+                }
+            };
+
+
+            /**
+            * Cipher feed back
+            * 
+            * The cipher output is XORed with the plain text to produce the cipher output,
+            * which is then fed back into the cipher to produce a bit pattern to XOR the
+            * next block with.
+            * 
+            * This is a stream cipher mode and does not require padding.
+            */
+            var CFB = C_mode.CFB = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var CFB_prototype = CFB.prototype = new Mode;
+
+            // Override padding
+            CFB_prototype._padding = C_pad.NoPadding;
+
+            // Concrete steps for Mode template
+            CFB_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4,
+                    keystream = iv.slice(0);
+
+                // Encrypt each byte
+                for (var i = 0; i < m.length; i++) {
+
+                    var j = i % blockSizeInBytes;
+                    if (j == 0) cipher._encryptblock(keystream, 0);
+
+                    m[i] ^= keystream[j];
+                    keystream[j] = m[i];
+                }
+            };
+            CFB_prototype._doDecrypt = function (cipher, c, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4,
+                    keystream = iv.slice(0);
+
+                // Encrypt each byte
+                for (var i = 0; i < c.length; i++) {
+
+                    var j = i % blockSizeInBytes;
+                    if (j == 0) cipher._encryptblock(keystream, 0);
+
+                    var b = c[i];
+                    c[i] ^= keystream[j];
+                    keystream[j] = b;
+                }
+            };
+
+
+            /**
+            * Output feed back
+            * 
+            * The cipher repeatedly encrypts its own output. The output is XORed with the
+            * plain text to produce the cipher text.
+            * 
+            * This is a stream cipher mode and does not require padding.
+            */
+            var OFB = C_mode.OFB = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var OFB_prototype = OFB.prototype = new Mode;
+
+            // Override padding
+            OFB_prototype._padding = C_pad.NoPadding;
+
+            // Concrete steps for Mode template
+            OFB_prototype._doEncrypt = function (cipher, m, iv) {
+
+                var blockSizeInBytes = cipher._blocksize * 4,
+                    keystream = iv.slice(0);
+
+                // Encrypt each byte
+                for (var i = 0; i < m.length; i++) {
+
+                    // Generate keystream
+                    if (i % blockSizeInBytes == 0)
+                        cipher._encryptblock(keystream, 0);
+
+                    // Encrypt byte
+                    m[i] ^= keystream[i % blockSizeInBytes];
+
+                }
+            };
+            OFB_prototype._doDecrypt = OFB_prototype._doEncrypt;
+
+            /**
+            * Counter
+            * @author Gergely Risko
+            *
+            * After every block the last 4 bytes of the IV is increased by one
+            * with carry and that IV is used for the next block.
+            *
+            * This is a stream cipher mode and does not require padding.
+            */
+            var CTR = C_mode.CTR = function () {
+                // Call parent constructor
+                Mode.apply(this, arguments);
+            };
+
+            // Inherit from Mode
+            var CTR_prototype = CTR.prototype = new Mode;
+
+            // Override padding
+            CTR_prototype._padding = C_pad.NoPadding;
+
+            CTR_prototype._doEncrypt = function (cipher, m, iv) {
+                var blockSizeInBytes = cipher._blocksize * 4;
+                var counter = iv.slice(0);
+
+                for (var i = 0; i < m.length;) {
+                    // do not lose iv
+                    var keystream = counter.slice(0);
+
+                    // Generate keystream for next block
+                    cipher._encryptblock(keystream, 0);
+
+                    // XOR keystream with block
+                    for (var j = 0; i < m.length && j < blockSizeInBytes; j++, i++) {
+                        m[i] ^= keystream[j];
+                    }
+
+                    // Increase counter
+                    if (++(counter[blockSizeInBytes - 1]) == 256) {
+                        counter[blockSizeInBytes - 1] = 0;
+                        if (++(counter[blockSizeInBytes - 2]) == 256) {
+                            counter[blockSizeInBytes - 2] = 0;
+                            if (++(counter[blockSizeInBytes - 3]) == 256) {
+                                counter[blockSizeInBytes - 3] = 0;
+                                ++(counter[blockSizeInBytes - 4]);
+                            }
+                        }
+                    }
+                }
+            };
+            CTR_prototype._doDecrypt = CTR_prototype._doEncrypt;
+
+        })(Crypto);
+
+            /*!
+        * Crypto-JS v2.5.4  PBKDF2.js
+        * http://code.google.com/p/crypto-js/
+        * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+        * http://code.google.com/p/crypto-js/wiki/License
+        */
+        (function () {
+
+            // Shortcuts
+            var C = Crypto,
+                util = C.util,
+                charenc = C.charenc,
+                UTF8 = charenc.UTF8,
+                Binary = charenc.Binary;
+
+            C.PBKDF2 = function (password, salt, keylen, options) {
+
+                // Convert to byte arrays
+                if (password.constructor == String) password = UTF8.stringToBytes(password);
+                if (salt.constructor == String) salt = UTF8.stringToBytes(salt);
+                /* else, assume byte arrays already */
+
+                // Defaults
+                var hasher = options && options.hasher || C.SHA1,
+                    iterations = options && options.iterations || 1;
+
+                // Pseudo-random function
+                function PRF(password, salt) {
+                    return C.HMAC(hasher, salt, password, {
+                        asBytes: true
+                    });
+                }
+
+                // Generate key
+                var derivedKeyBytes = [],
+                    blockindex = 1;
+                while (derivedKeyBytes.length < keylen) {
+                    var block = PRF(password, salt.concat(util.wordsToBytes([blockindex])));
+                    for (var u = block, i = 1; i < iterations; i++) {
+                        u = PRF(password, u);
+                        for (var j = 0; j < block.length; j++) block[j] ^= u[j];
+                    }
+                    derivedKeyBytes = derivedKeyBytes.concat(block);
+                    blockindex++;
+                }
+
+                // Truncate excess bytes
+                derivedKeyBytes.length = keylen;
+
+                return options && options.asBytes ? derivedKeyBytes :
+                    options && options.asString ? Binary.bytesToString(derivedKeyBytes) :
+                    util.bytesToHex(derivedKeyBytes);
+
+            };
+
+        })();
+    
+  /*
+        * Copyright (c) 2010-2011 Intalio Pte, All Rights Reserved
+        * 
+        * Permission is hereby granted, free of charge, to any person obtaining a copy
+        * of this software and associated documentation files (the "Software"), to deal
+        * in the Software without restriction, including without limitation the rights
+        * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+        * copies of the Software, and to permit persons to whom the Software is
+        * furnished to do so, subject to the following conditions:
+        * 
+        * The above copyright notice and this permission notice shall be included in
+        * all copies or substantial portions of the Software.
+        * 
+        * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+        * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+        * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+        * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+        * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+        * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+        * THE SOFTWARE.
+        */
+        // https://github.com/cheongwy/node-scrypt-js
+        (function () {
+
+            var MAX_VALUE = 2147483647;
+            var workerUrl = null;
+
+            //function scrypt(byte[] passwd, byte[] salt, int N, int r, int p, int dkLen)
+            /*
+            * N = Cpu cost
+            * r = Memory cost
+            * p = parallelization cost
+            * 
+            */
+            window.Crypto_scrypt = function (passwd, salt, N, r, p, dkLen, callback) {
+                if (N == 0 || (N & (N - 1)) != 0) throw Error("N must be > 0 and a power of 2");
+
+                if (N > MAX_VALUE / 128 / r) throw Error("Parameter N is too large");
+                if (r > MAX_VALUE / 128 / p) throw Error("Parameter r is too large");
+
+                var PBKDF2_opts = {
+                    iterations: 1,
+                    hasher: Crypto.SHA256,
+                    asBytes: true
+                };
+
+                var B = Crypto.PBKDF2(passwd, salt, p * 128 * r, PBKDF2_opts);
+
+                try {
+                    var i = 0;
+                    var worksDone = 0;
+                    var makeWorker = function () {
+                        if (!workerUrl) {
+                            var code = '(' + scryptCore.toString() + ')()';
+                            var blob;
+                            try {
+                                blob = new Blob([code], {
+                                    type: "text/javascript"
+                                });
+                            } catch (e) {
+                                window.BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder ||
+                                    window.MozBlobBuilder ||
+                                    window.MSBlobBuilder;
+                                blob = new BlobBuilder();
+                                blob.append(code);
+                                blob = blob.getBlob("text/javascript");
+                            }
+                            workerUrl = URL.createObjectURL(blob);
+                        }
+                        var worker = new Worker(workerUrl);
+                        worker.onmessage = function (event) {
+                            var Bi = event.data[0],
+                                Bslice = event.data[1];
+                            worksDone++;
+
+                            if (i < p) {
+                                worker.postMessage([N, r, p, B, i++]);
+                            }
+
+                            var length = Bslice.length,
+                                destPos = Bi * 128 * r,
+                                srcPos = 0;
+                            while (length--) {
+                                B[destPos++] = Bslice[srcPos++];
+                            }
+
+                            if (worksDone == p) {
+                                callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
+                            }
+                        };
+                        return worker;
+                    };
+                    var workers = [makeWorker(), makeWorker()];
+                    workers[0].postMessage([N, r, p, B, i++]);
+                    if (p > 1) {
+                        workers[1].postMessage([N, r, p, B, i++]);
+                    }
+                } catch (e) {
+                    window.setTimeout(function () {
+                        scryptCore();
+                        callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
+                    }, 0);
+                }
+
+                // using this function to enclose everything needed to create a worker (but also invokable directly for synchronous use)
+                function scryptCore() {
+                    var XY = [],
+                        V = [];
+
+                    if (typeof B === 'undefined') {
+                        onmessage = function (event) {
+                            var data = event.data;
+                            var N = data[0],
+                                r = data[1],
+                                p = data[2],
+                                B = data[3],
+                                i = data[4];
+
+                            var Bslice = [];
+                            arraycopy32(B, i * 128 * r, Bslice, 0, 128 * r);
+                            smix(Bslice, 0, r, N, V, XY);
+
+                            postMessage([i, Bslice]);
+                        };
+                    } else {
+                        for (var i = 0; i < p; i++) {
+                            smix(B, i * 128 * r, r, N, V, XY);
+                        }
+                    }
+
+                    function smix(B, Bi, r, N, V, XY) {
+                        var Xi = 0;
+                        var Yi = 128 * r;
+                        var i;
+
+                        arraycopy32(B, Bi, XY, Xi, Yi);
+
+                        for (i = 0; i < N; i++) {
+                            arraycopy32(XY, Xi, V, i * Yi, Yi);
+                            blockmix_salsa8(XY, Xi, Yi, r);
+                        }
+
+                        for (i = 0; i < N; i++) {
+                            var j = integerify(XY, Xi, r) & (N - 1);
+                            blockxor(V, j * Yi, XY, Xi, Yi);
+                            blockmix_salsa8(XY, Xi, Yi, r);
+                        }
+
+                        arraycopy32(XY, Xi, B, Bi, Yi);
+                    }
+
+                    function blockmix_salsa8(BY, Bi, Yi, r) {
+                        var X = [];
+                        var i;
+
+                        arraycopy32(BY, Bi + (2 * r - 1) * 64, X, 0, 64);
+
+                        for (i = 0; i < 2 * r; i++) {
+                            blockxor(BY, i * 64, X, 0, 64);
+                            salsa20_8(X);
+                            arraycopy32(X, 0, BY, Yi + (i * 64), 64);
+                        }
+
+                        for (i = 0; i < r; i++) {
+                            arraycopy32(BY, Yi + (i * 2) * 64, BY, Bi + (i * 64), 64);
+                        }
+
+                        for (i = 0; i < r; i++) {
+                            arraycopy32(BY, Yi + (i * 2 + 1) * 64, BY, Bi + (i + r) * 64, 64);
+                        }
+                    }
+
+                    function R(a, b) {
+                        return (a << b) | (a >>> (32 - b));
+                    }
+
+                    function salsa20_8(B) {
+                        var B32 = new Array(32);
+                        var x = new Array(32);
+                        var i;
+
+                        for (i = 0; i < 16; i++) {
+                            B32[i] = (B[i * 4 + 0] & 0xff) << 0;
+                            B32[i] |= (B[i * 4 + 1] & 0xff) << 8;
+                            B32[i] |= (B[i * 4 + 2] & 0xff) << 16;
+                            B32[i] |= (B[i * 4 + 3] & 0xff) << 24;
+                        }
+
+                        arraycopy(B32, 0, x, 0, 16);
+
+                        for (i = 8; i > 0; i -= 2) {
+                            x[4] ^= R(x[0] + x[12], 7);
+                            x[8] ^= R(x[4] + x[0], 9);
+                            x[12] ^= R(x[8] + x[4], 13);
+                            x[0] ^= R(x[12] + x[8], 18);
+                            x[9] ^= R(x[5] + x[1], 7);
+                            x[13] ^= R(x[9] + x[5], 9);
+                            x[1] ^= R(x[13] + x[9], 13);
+                            x[5] ^= R(x[1] + x[13], 18);
+                            x[14] ^= R(x[10] + x[6], 7);
+                            x[2] ^= R(x[14] + x[10], 9);
+                            x[6] ^= R(x[2] + x[14], 13);
+                            x[10] ^= R(x[6] + x[2], 18);
+                            x[3] ^= R(x[15] + x[11], 7);
+                            x[7] ^= R(x[3] + x[15], 9);
+                            x[11] ^= R(x[7] + x[3], 13);
+                            x[15] ^= R(x[11] + x[7], 18);
+                            x[1] ^= R(x[0] + x[3], 7);
+                            x[2] ^= R(x[1] + x[0], 9);
+                            x[3] ^= R(x[2] + x[1], 13);
+                            x[0] ^= R(x[3] + x[2], 18);
+                            x[6] ^= R(x[5] + x[4], 7);
+                            x[7] ^= R(x[6] + x[5], 9);
+                            x[4] ^= R(x[7] + x[6], 13);
+                            x[5] ^= R(x[4] + x[7], 18);
+                            x[11] ^= R(x[10] + x[9], 7);
+                            x[8] ^= R(x[11] + x[10], 9);
+                            x[9] ^= R(x[8] + x[11], 13);
+                            x[10] ^= R(x[9] + x[8], 18);
+                            x[12] ^= R(x[15] + x[14], 7);
+                            x[13] ^= R(x[12] + x[15], 9);
+                            x[14] ^= R(x[13] + x[12], 13);
+                            x[15] ^= R(x[14] + x[13], 18);
+                        }
+
+                        for (i = 0; i < 16; ++i) B32[i] = x[i] + B32[i];
+
+                        for (i = 0; i < 16; i++) {
+                            var bi = i * 4;
+                            B[bi + 0] = (B32[i] >> 0 & 0xff);
+                            B[bi + 1] = (B32[i] >> 8 & 0xff);
+                            B[bi + 2] = (B32[i] >> 16 & 0xff);
+                            B[bi + 3] = (B32[i] >> 24 & 0xff);
+                        }
+                    }
+
+                    function blockxor(S, Si, D, Di, len) {
+                        var i = len >> 6;
+                        while (i--) {
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                            D[Di++] ^= S[Si++];
+                        }
+                    }
+
+                    function integerify(B, bi, r) {
+                        var n;
+
+                        bi += (2 * r - 1) * 64;
+
+                        n = (B[bi + 0] & 0xff) << 0;
+                        n |= (B[bi + 1] & 0xff) << 8;
+                        n |= (B[bi + 2] & 0xff) << 16;
+                        n |= (B[bi + 3] & 0xff) << 24;
+
+                        return n;
+                    }
+
+                    function arraycopy(src, srcPos, dest, destPos, length) {
+                        while (length--) {
+                            dest[destPos++] = src[srcPos++];
+                        }
+                    }
+
+                    function arraycopy32(src, srcPos, dest, destPos, length) {
+                        var i = length >> 5;
+                        while (i--) {
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                            dest[destPos++] = src[srcPos++];
+                        }
+                    }
+                } // scryptCore
+            }; // window.Crypto_scrypt
+        })();
+
+      /*!
+        * Crypto-JS v2.5.4  AES.js
+        * http://code.google.com/p/crypto-js/
+        * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+        * http://code.google.com/p/crypto-js/wiki/License
+        */
+        (function () {
+
+            // Shortcuts
+            var C = Crypto,
+                util = C.util,
+                charenc = C.charenc,
+                UTF8 = charenc.UTF8;
+
+            // Precomputed SBOX
+            var SBOX = [0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
+                0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
+                0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
+                0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
+                0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
+                0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
+                0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
+                0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
+                0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
+                0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
+                0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
+                0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
+                0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
+                0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
+                0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
+                0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
+                0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
+                0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
+                0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
+                0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
+                0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
+                0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
+                0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
+                0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
+                0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
+                0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
+                0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
+                0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
+                0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
+                0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
+                0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
+                0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
+            ];
+
+            // Compute inverse SBOX lookup table
+            for (var INVSBOX = [], i = 0; i < 256; i++) INVSBOX[SBOX[i]] = i;
+
+            // Compute multiplication in GF(2^8) lookup tables
+            var MULT2 = [],
+                MULT3 = [],
+                MULT9 = [],
+                MULTB = [],
+                MULTD = [],
+                MULTE = [];
+
+            function xtime(a, b) {
+                for (var result = 0, i = 0; i < 8; i++) {
+                    if (b & 1) result ^= a;
+                    var hiBitSet = a & 0x80;
+                    a = (a << 1) & 0xFF;
+                    if (hiBitSet) a ^= 0x1b;
+                    b >>>= 1;
+                }
+                return result;
+            }
+
+            for (var i = 0; i < 256; i++) {
+                MULT2[i] = xtime(i, 2);
+                MULT3[i] = xtime(i, 3);
+                MULT9[i] = xtime(i, 9);
+                MULTB[i] = xtime(i, 0xB);
+                MULTD[i] = xtime(i, 0xD);
+                MULTE[i] = xtime(i, 0xE);
+            }
+
+            // Precomputed RCon lookup
+            var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];
+
+            // Inner state
+            var state = [
+                    [],
+                    [],
+                    [],
+                    []
+                ],
+                keylength,
+                nrounds,
+                keyschedule;
+
+            var AES = C.AES = {
+
+                /**
+                * Public API
+                */
+
+                encrypt: function (message, password, options) {
+
+                    options = options || {};
+
+                    // Determine mode
+                    var mode = options.mode || new C.mode.OFB;
+
+                    // Allow mode to override options
+                    if (mode.fixOptions) mode.fixOptions(options);
+
+                    var
+
+                        // Convert to bytes if message is a string
+                        m = (
+                            message.constructor == String ?
+                            UTF8.stringToBytes(message) :
+                            message
+                        ),
+
+                        // Generate random IV
+                        iv = options.iv || util.randomBytes(AES._blocksize * 4),
+
+                        // Generate key
+                        k = (
+                            password.constructor == String ?
+                            // Derive key from pass-phrase
+                            C.PBKDF2(password, iv, 32, {
+                                asBytes: true
+                            }) :
+                            // else, assume byte array representing cryptographic key
+                            password
+                        );
+
+                    // Encrypt
+                    AES._init(k);
+                    mode.encrypt(AES, m, iv);
+
+                    // Return ciphertext
+                    m = options.iv ? m : iv.concat(m);
+                    return (options && options.asBytes) ? m : util.bytesToBase64(m);
+
+                },
+
+                decrypt: function (ciphertext, password, options) {
+
+                    options = options || {};
+
+                    // Determine mode
+                    var mode = options.mode || new C.mode.OFB;
+
+                    // Allow mode to override options
+                    if (mode.fixOptions) mode.fixOptions(options);
+
+                    var
+
+                        // Convert to bytes if ciphertext is a string
+                        c = (
+                            ciphertext.constructor == String ?
+                            util.base64ToBytes(ciphertext) :
+                            ciphertext
+                        ),
+
+                        // Separate IV and message
+                        iv = options.iv || c.splice(0, AES._blocksize * 4),
+
+                        // Generate key
+                        k = (
+                            password.constructor == String ?
+                            // Derive key from pass-phrase
+                            C.PBKDF2(password, iv, 32, {
+                                asBytes: true
+                            }) :
+                            // else, assume byte array representing cryptographic key
+                            password
+                        );
+
+                    // Decrypt
+                    AES._init(k);
+                    mode.decrypt(AES, c, iv);
+
+                    // Return plaintext
+                    return (options && options.asBytes) ? c : UTF8.bytesToString(c);
+
+                },
+
+
+                /**
+                * Package private methods and properties
+                */
+
+                _blocksize: 4,
+
+                _encryptblock: function (m, offset) {
+
+                    // Set input
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = m[offset + col * 4 + row];
+                    }
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[col][row];
+                    }
+
+                    for (var round = 1; round < nrounds; round++) {
+
+                        // Sub bytes
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] = SBOX[state[row][col]];
+                        }
+
+                        // Shift rows
+                        state[1].push(state[1].shift());
+                        state[2].push(state[2].shift());
+                        state[2].push(state[2].shift());
+                        state[3].unshift(state[3].pop());
+
+                        // Mix columns
+                        for (var col = 0; col < 4; col++) {
+
+                            var s0 = state[0][col],
+                                s1 = state[1][col],
+                                s2 = state[2][col],
+                                s3 = state[3][col];
+
+                            state[0][col] = MULT2[s0] ^ MULT3[s1] ^ s2 ^ s3;
+                            state[1][col] = s0 ^ MULT2[s1] ^ MULT3[s2] ^ s3;
+                            state[2][col] = s0 ^ s1 ^ MULT2[s2] ^ MULT3[s3];
+                            state[3][col] = MULT3[s0] ^ s1 ^ s2 ^ MULT2[s3];
+
+                        }
+
+                        // Add round key
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] ^= keyschedule[round * 4 + col][row];
+                        }
+
+                    }
+
+                    // Sub bytes
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = SBOX[state[row][col]];
+                    }
+
+                    // Shift rows
+                    state[1].push(state[1].shift());
+                    state[2].push(state[2].shift());
+                    state[2].push(state[2].shift());
+                    state[3].unshift(state[3].pop());
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[nrounds * 4 + col][row];
+                    }
+
+                    // Set output
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            m[offset + col * 4 + row] = state[row][col];
+                    }
+
+                },
+
+                _decryptblock: function (c, offset) {
+
+                    // Set input
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = c[offset + col * 4 + row];
+                    }
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[nrounds * 4 + col][row];
+                    }
+
+                    for (var round = 1; round < nrounds; round++) {
+
+                        // Inv shift rows
+                        state[1].unshift(state[1].pop());
+                        state[2].push(state[2].shift());
+                        state[2].push(state[2].shift());
+                        state[3].push(state[3].shift());
+
+                        // Inv sub bytes
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] = INVSBOX[state[row][col]];
+                        }
+
+                        // Add round key
+                        for (var row = 0; row < 4; row++) {
+                            for (var col = 0; col < 4; col++)
+                                state[row][col] ^= keyschedule[(nrounds - round) * 4 + col][row];
+                        }
+
+                        // Inv mix columns
+                        for (var col = 0; col < 4; col++) {
+
+                            var s0 = state[0][col],
+                                s1 = state[1][col],
+                                s2 = state[2][col],
+                                s3 = state[3][col];
+
+                            state[0][col] = MULTE[s0] ^ MULTB[s1] ^ MULTD[s2] ^ MULT9[s3];
+                            state[1][col] = MULT9[s0] ^ MULTE[s1] ^ MULTB[s2] ^ MULTD[s3];
+                            state[2][col] = MULTD[s0] ^ MULT9[s1] ^ MULTE[s2] ^ MULTB[s3];
+                            state[3][col] = MULTB[s0] ^ MULTD[s1] ^ MULT9[s2] ^ MULTE[s3];
+
+                        }
+
+                    }
+
+                    // Inv shift rows
+                    state[1].unshift(state[1].pop());
+                    state[2].push(state[2].shift());
+                    state[2].push(state[2].shift());
+                    state[3].push(state[3].shift());
+
+                    // Inv sub bytes
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] = INVSBOX[state[row][col]];
+                    }
+
+                    // Add round key
+                    for (var row = 0; row < 4; row++) {
+                        for (var col = 0; col < 4; col++)
+                            state[row][col] ^= keyschedule[col][row];
+                    }
+
+                    // Set output
+                    for (var row = 0; row < AES._blocksize; row++) {
+                        for (var col = 0; col < 4; col++)
+                            c[offset + col * 4 + row] = state[row][col];
+                    }
+
+                },
+
+
+                /**
+                * Private methods
+                */
+
+                _init: function (k) {
+                    keylength = k.length / 4;
+                    nrounds = keylength + 6;
+                    AES._keyexpansion(k);
+                },
+
+                // Generate a key schedule
+                _keyexpansion: function (k) {
+
+                    keyschedule = [];
+
+                    for (var row = 0; row < keylength; row++) {
+                        keyschedule[row] = [
+                            k[row * 4],
+                            k[row * 4 + 1],
+                            k[row * 4 + 2],
+                            k[row * 4 + 3]
+                        ];
+                    }
+
+                    for (var row = keylength; row < AES._blocksize * (nrounds + 1); row++) {
+
+                        var temp = [
+                            keyschedule[row - 1][0],
+                            keyschedule[row - 1][1],
+                            keyschedule[row - 1][2],
+                            keyschedule[row - 1][3]
+                        ];
+
+                        if (row % keylength == 0) {
+
+                            // Rot word
+                            temp.push(temp.shift());
+
+                            // Sub word
+                            temp[0] = SBOX[temp[0]];
+                            temp[1] = SBOX[temp[1]];
+                            temp[2] = SBOX[temp[2]];
+                            temp[3] = SBOX[temp[3]];
+
+                            temp[0] ^= RCON[row / keylength];
+
+                        } else if (keylength > 6 && row % keylength == 4) {
+
+                            // Sub word
+                            temp[0] = SBOX[temp[0]];
+                            temp[1] = SBOX[temp[1]];
+                            temp[2] = SBOX[temp[2]];
+                            temp[3] = SBOX[temp[3]];
+
+                        }
+
+                        keyschedule[row] = [
+                            keyschedule[row - keylength][0] ^ temp[0],
+                            keyschedule[row - keylength][1] ^ temp[1],
+                            keyschedule[row - keylength][2] ^ temp[2],
+                            keyschedule[row - keylength][3] ^ temp[3]
+                        ];
+
+                    }
+
+                }
+
+            };
+
+        })();
+  
             /*
              * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
              * Ported to JavaScript by bitaddress.org
@@ -6013,7 +7323,7 @@
         //bitTrx.js
         (function () {
 
-            var bitjs = window.bitjs = function () { };
+            var bitjs = window.bitjs = function () {};
 
             /* public vars */
             bitjs.pub = 0x23; // flochange - changed the prefix to FLO Mainnet PublicKey Prefix 0x23
@@ -6449,26 +7759,26 @@
                         buffer = buffer.concat(scriptBytes);
                     }
 
-                    buffer = buffer.concat(bitjs.numToBytes(parseInt(this.locktime), 4));
+                    buffer = buffer.concat(bitjs.numToBytes(parseInt(this.locktime),4));
                     flohex = ascii_to_hexa(this.floData);
                     floDataCount = this.floData.length;
 
                     //flochange -- creating unique data character count logic for floData. This string is prefixed before actual floData string in Raw Transaction
                     if (floDataCount < 16) {
-                        floDataCountString = floDataCount.toString(16);
-                        floDataCountString = "0" + floDataCountString;
+                                  floDataCountString = floDataCount.toString(16);
+                                  floDataCountString = "0"+ floDataCountString;
                     } else if (floDataCount < 253) {
-                        floDataCountString = floDataCount.toString(16);
+                                  floDataCountString = floDataCount.toString(16);
                     } else if (floDataCount <= 1040) {
-                        floDataCountAdjusted = (floDataCount - 253) + parseInt("0xfd00fd");
-                        floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
-                        floDataCountString = floDataCountStringAdjusted.substr(0, 2) + floDataCountStringAdjusted.substr(4, 2) + floDataCountStringAdjusted.substr(2, 2);
+                                  floDataCountAdjusted = (floDataCount - 253) +  parseInt("0xfd00fd");
+                                  floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
+                                  floDataCountString = floDataCountStringAdjusted.substr(0,2)+ floDataCountStringAdjusted.substr(4,2)+ floDataCountStringAdjusted.substr(2,2);
                     } else {
-                        floDataCountString = "Character Limit Exceeded";
-                    }
+                                  floDataCountString = "Character Limit Exceeded";
+                              }
 
 
-                    return Crypto.util.bytesToHex(buffer) + floDataCountString + flohex;    // flochange -- Addition of floDataCountString and floData in serialization
+                    return Crypto.util.bytesToHex(buffer)+floDataCountString+flohex;    // flochange -- Addition of floDataCountString and floData in serialization
                 }
 
 
@@ -6597,948 +7907,1092 @@
 
 
 
-        /*
-        Copyright (c) 2011 Stefan Thomas
-      
-        Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-      
-        The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-      
-        THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-        */
+/*
+Copyright (c) 2011 Stefan Thomas
 
-        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/1a7fc9d063f864058809d06ef4542af40be3558f/src/bitcoin.js
-        (function (exports) {
-            var Bitcoin = exports;
-        })(
-            'object' === typeof module ? module.exports : (window.Bitcoin = {})
-        );
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/c952aaeb3ee472e3776655b8ea07299ebed702c7/src/base58.js
-        (function (Bitcoin) {
-            Bitcoin.Base58 = {
-                alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
-                validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
-                base: BigInteger.valueOf(58),
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
-                /**
-                * Convert a byte array to a base58-encoded string.
-                *
-                * Written by Mike Hearn for BitcoinJ.
-                *   Copyright (c) 2011 Google Inc.
-                *
-                * Ported to JavaScript by Stefan Thomas.
-                */
-                encode: function (input) {
-                    var bi = BigInteger.fromByteArrayUnsigned(input);
-                    var chars = [];
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
 
-                    while (bi.compareTo(B58.base) >= 0) {
-                        var mod = bi.mod(B58.base);
-                        chars.unshift(B58.alphabet[mod.intValue()]);
-                        bi = bi.subtract(mod).divide(B58.base);
-                    }
-                    chars.unshift(B58.alphabet[bi.intValue()]);
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/1a7fc9d063f864058809d06ef4542af40be3558f/src/bitcoin.js
+(function (exports) {
+    var Bitcoin = exports;
+})(
+    'object' === typeof module ? module.exports : (window.Bitcoin = {})
+);
 
-                    // Convert leading zeros too.
-                    for (var i = 0; i < input.length; i++) {
-                        if (input[i] == 0x00) {
-                            chars.unshift(B58.alphabet[0]);
-                        } else break;
-                    }
-
-                    return chars.join('');
-                },
-
-                /**
-                * Convert a base58-encoded string to a byte array.
-                *
-                * Written by Mike Hearn for BitcoinJ.
-                *   Copyright (c) 2011 Google Inc.
-                *
-                * Ported to JavaScript by Stefan Thomas.
-                */
-                decode: function (input) {
-                    var bi = BigInteger.valueOf(0);
-                    var leadingZerosNum = 0;
-                    for (var i = input.length - 1; i >= 0; i--) {
-                        var alphaIndex = B58.alphabet.indexOf(input[i]);
-                        if (alphaIndex < 0) {
-                            throw "Invalid character";
-                        }
-                        bi = bi.add(BigInteger.valueOf(alphaIndex)
-                            .multiply(B58.base.pow(input.length - 1 - i)));
-
-                        // This counts leading zero bytes
-                        if (input[i] == "1") leadingZerosNum++;
-                        else leadingZerosNum = 0;
-                    }
-                    var bytes = bi.toByteArrayUnsigned();
-
-                    // Add leading zeros
-                    while (leadingZerosNum-- > 0) bytes.unshift(0);
-
-                    return bytes;
-                }
-            };
-
-            var B58 = Bitcoin.Base58;
-        })(
-            'undefined' != typeof Bitcoin ? Bitcoin : module.exports
-        );
-        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/address.js
-        Bitcoin.Address = function (bytes) {
-            if (floGlobals.blockchain == "FLO")
-                this.version = 0x23; // FLO mainnet public address
-            else if (floGlobals.blockchain == "FLO_TEST")
-                this.version = 0x73; // FLO testnet public address
-            if ("string" == typeof bytes) {
-                bytes = Bitcoin.Address.decodeString(bytes, this.version);
-            }
-            this.hash = bytes;
-        };
-
-        Bitcoin.Address.networkVersion = 0x23; // (FLO mainnet 0x23, 35D), (Bitcoin Mainnet, 0x00, 0D) // *this has no effect *
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/c952aaeb3ee472e3776655b8ea07299ebed702c7/src/base58.js
+(function (Bitcoin) {
+    Bitcoin.Base58 = {
+        alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
+        validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
+        base: BigInteger.valueOf(58),
 
         /**
-        * Serialize this object as a standard Bitcoin address.
+        * Convert a byte array to a base58-encoded string.
         *
-        * Returns the address as a base58-encoded string in the standardized format.
+        * Written by Mike Hearn for BitcoinJ.
+        *   Copyright (c) 2011 Google Inc.
+        *
+        * Ported to JavaScript by Stefan Thomas.
         */
-        Bitcoin.Address.prototype.toString = function () {
-            // Get a copy of the hash
-            var hash = this.hash.slice(0);
+        encode: function (input) {
+            var bi = BigInteger.fromByteArrayUnsigned(input);
+            var chars = [];
 
-            // Version
-            hash.unshift(this.version);
-            var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-            var bytes = hash.concat(checksum.slice(0, 4));
-            return Bitcoin.Base58.encode(bytes);
-        };
+            while (bi.compareTo(B58.base) >= 0) {
+                var mod = bi.mod(B58.base);
+                chars.unshift(B58.alphabet[mod.intValue()]);
+                bi = bi.subtract(mod).divide(B58.base);
+            }
+            chars.unshift(B58.alphabet[bi.intValue()]);
 
-        Bitcoin.Address.prototype.getHashBase64 = function () {
-            return Crypto.util.bytesToBase64(this.hash);
-        };
+            // Convert leading zeros too.
+            for (var i = 0; i < input.length; i++) {
+                if (input[i] == 0x00) {
+                    chars.unshift(B58.alphabet[0]);
+                } else break;
+            }
+
+            return chars.join('');
+        },
 
         /**
-        * Parse a Bitcoin address contained in a string.
+        * Convert a base58-encoded string to a byte array.
+        *
+        * Written by Mike Hearn for BitcoinJ.
+        *   Copyright (c) 2011 Google Inc.
+        *
+        * Ported to JavaScript by Stefan Thomas.
         */
-        Bitcoin.Address.decodeString = function (string, version) {
-            var bytes = Bitcoin.Base58.decode(string);
-            var hash = bytes.slice(0, 21);
-            var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+        decode: function (input) {
+            var bi = BigInteger.valueOf(0);
+            var leadingZerosNum = 0;
+            for (var i = input.length - 1; i >= 0; i--) {
+                var alphaIndex = B58.alphabet.indexOf(input[i]);
+                if (alphaIndex < 0) {
+                    throw "Invalid character";
+                }
+                bi = bi.add(BigInteger.valueOf(alphaIndex)
+                                .multiply(B58.base.pow(input.length - 1 - i)));
 
-            if (checksum[0] != bytes[21] ||
-                checksum[1] != bytes[22] ||
-                checksum[2] != bytes[23] ||
-                checksum[3] != bytes[24]) {
-                throw "Checksum validation failed!";
+                // This counts leading zero bytes
+                if (input[i] == "1") leadingZerosNum++;
+                else leadingZerosNum = 0;
+            }
+            var bytes = bi.toByteArrayUnsigned();
+
+            // Add leading zeros
+            while (leadingZerosNum-- > 0) bytes.unshift(0);
+
+            return bytes;
+        }
+    };
+
+    var B58 = Bitcoin.Base58;
+})(
+    'undefined' != typeof Bitcoin ? Bitcoin : module.exports
+);
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/address.js
+Bitcoin.Address = function (bytes) {
+    if(floGlobals.blockchain == "FLO")
+        this.version = 0x23; // FLO mainnet public address
+    else if(floGlobals.blockchain == "FLO_TEST")
+        this.version = 0x73; // FLO testnet public address
+    if ("string" == typeof bytes) {
+        bytes = Bitcoin.Address.decodeString(bytes,this.version);
+    }
+    this.hash = bytes;
+};
+
+Bitcoin.Address.networkVersion = 0x23; // (FLO mainnet 0x23, 35D), (Bitcoin Mainnet, 0x00, 0D) // *this has no effect *
+
+/**
+* Serialize this object as a standard Bitcoin address.
+*
+* Returns the address as a base58-encoded string in the standardized format.
+*/
+Bitcoin.Address.prototype.toString = function () {
+    // Get a copy of the hash
+    var hash = this.hash.slice(0);
+
+    // Version
+    hash.unshift(this.version);
+    var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+    var bytes = hash.concat(checksum.slice(0, 4));
+    return Bitcoin.Base58.encode(bytes);
+};
+
+Bitcoin.Address.prototype.getHashBase64 = function () {
+    return Crypto.util.bytesToBase64(this.hash);
+};
+
+/**
+* Parse a Bitcoin address contained in a string.
+*/
+Bitcoin.Address.decodeString = function (string,version) {
+    var bytes = Bitcoin.Base58.decode(string);
+    var hash = bytes.slice(0, 21);
+    var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+
+    if (checksum[0] != bytes[21] ||
+            checksum[1] != bytes[22] ||
+            checksum[2] != bytes[23] ||
+            checksum[3] != bytes[24]) {
+        throw "Checksum validation failed!";
+    }
+
+    if (version != hash.shift()) {
+        throw "Version " + hash.shift() + " not supported!";
+    }
+
+    return hash;
+};
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/e90780d3d3b8fc0d027d2bcb38b80479902f223e/src/ecdsa.js
+Bitcoin.ECDSA = (function () {
+    var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+    var rng = new SecureRandom();
+
+    var P_OVER_FOUR = null;
+
+    function implShamirsTrick(P, k, Q, l) {
+        var m = Math.max(k.bitLength(), l.bitLength());
+        var Z = P.add2D(Q);
+        var R = P.curve.getInfinity();
+
+        for (var i = m - 1; i >= 0; --i) {
+            R = R.twice2D();
+
+            R.z = BigInteger.ONE;
+
+            if (k.testBit(i)) {
+                if (l.testBit(i)) {
+                    R = R.add2D(Z);
+                } else {
+                    R = R.add2D(P);
+                }
+            } else {
+                if (l.testBit(i)) {
+                    R = R.add2D(Q);
+                }
+            }
+        }
+
+        return R;
+    };
+
+    var ECDSA = {
+        getBigRandom: function (limit) {
+            return new BigInteger(limit.bitLength(), rng)
+                .mod(limit.subtract(BigInteger.ONE))
+                .add(BigInteger.ONE);
+        },
+        sign: function (hash, priv) {
+            var d = priv;
+            var n = ecparams.getN();
+            var e = BigInteger.fromByteArrayUnsigned(hash);
+
+            do {
+                var k = ECDSA.getBigRandom(n);
+                var G = ecparams.getG();
+                var Q = G.multiply(k);
+                var r = Q.getX().toBigInteger().mod(n);
+            } while (r.compareTo(BigInteger.ZERO) <= 0);
+
+            var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
+
+            return ECDSA.serializeSig(r, s);
+        },
+
+        verify: function (hash, sig, pubkey) {
+            var r, s;
+            if (Bitcoin.Util.isArray(sig)) {
+                var obj = ECDSA.parseSig(sig);
+                r = obj.r;
+                s = obj.s;
+            } else if ("object" === typeof sig && sig.r && sig.s) {
+                r = sig.r;
+                s = sig.s;
+            } else {
+                throw "Invalid value for signature";
             }
 
-            if (version != hash.shift()) {
-                throw "Version " + hash.shift() + " not supported!";
+            var Q;
+            if (pubkey instanceof ec.PointFp) {
+                Q = pubkey;
+            } else if (Bitcoin.Util.isArray(pubkey)) {
+                Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
+            } else {
+                throw "Invalid format for pubkey value, must be byte array or ec.PointFp";
+            }
+            var e = BigInteger.fromByteArrayUnsigned(hash);
+
+            return ECDSA.verifyRaw(e, r, s, Q);
+        },
+
+        verifyRaw: function (e, r, s, Q) {
+            var n = ecparams.getN();
+            var G = ecparams.getG();
+
+            if (r.compareTo(BigInteger.ONE) < 0 ||
+                r.compareTo(n) >= 0)
+                return false;
+
+            if (s.compareTo(BigInteger.ONE) < 0 ||
+                s.compareTo(n) >= 0)
+                return false;
+
+            var c = s.modInverse(n);
+
+            var u1 = e.multiply(c).mod(n);
+            var u2 = r.multiply(c).mod(n);
+
+            // TODO(!!!): For some reason Shamir's trick isn't working with
+            // signed message verification!? Probably an implementation
+            // error!
+            //var point = implShamirsTrick(G, u1, Q, u2);
+            var point = G.multiply(u1).add(Q.multiply(u2));
+
+            var v = point.getX().toBigInteger().mod(n);
+
+            return v.equals(r);
+        },
+
+        /**
+        * Serialize a signature into DER format.
+        *
+        * Takes two BigIntegers representing r and s and returns a byte array.
+        */
+        serializeSig: function (r, s) {
+            var rBa = r.toByteArraySigned();
+            var sBa = s.toByteArraySigned();
+
+            var sequence = [];
+            sequence.push(0x02); // INTEGER
+            sequence.push(rBa.length);
+            sequence = sequence.concat(rBa);
+
+            sequence.push(0x02); // INTEGER
+            sequence.push(sBa.length);
+            sequence = sequence.concat(sBa);
+
+            sequence.unshift(sequence.length);
+            sequence.unshift(0x30); // SEQUENCE
+
+            return sequence;
+        },
+
+        /**
+        * Parses a byte array containing a DER-encoded signature.
+        *
+        * This function will return an object of the form:
+        *
+        * {
+        *   r: BigInteger,
+        *   s: BigInteger
+        * }
+        */
+        parseSig: function (sig) {
+            var cursor;
+            if (sig[0] != 0x30)
+                throw new Error("Signature not a valid DERSequence");
+
+            cursor = 2;
+            if (sig[cursor] != 0x02)
+                throw new Error("First element in signature must be a DERInteger");;
+            var rBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
+
+            cursor += 2 + sig[cursor + 1];
+            if (sig[cursor] != 0x02)
+                throw new Error("Second element in signature must be a DERInteger");
+            var sBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
+
+            cursor += 2 + sig[cursor + 1];
+
+            //if (cursor != sig.length)
+            //  throw new Error("Extra bytes in signature");
+
+            var r = BigInteger.fromByteArrayUnsigned(rBa);
+            var s = BigInteger.fromByteArrayUnsigned(sBa);
+
+            return {
+                r: r,
+                s: s
+            };
+        },
+
+        parseSigCompact: function (sig) {
+            if (sig.length !== 65) {
+                throw "Signature has the wrong length";
             }
 
-            return hash;
-        };
-        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/e90780d3d3b8fc0d027d2bcb38b80479902f223e/src/ecdsa.js
-        Bitcoin.ECDSA = (function () {
-            var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-            var rng = new SecureRandom();
+            // Signature is prefixed with a type byte storing three bits of
+            // information.
+            var i = sig[0] - 27;
+            if (i < 0 || i > 7) {
+                throw "Invalid signature type";
+            }
 
-            var P_OVER_FOUR = null;
+            var n = ecparams.getN();
+            var r = BigInteger.fromByteArrayUnsigned(sig.slice(1, 33)).mod(n);
+            var s = BigInteger.fromByteArrayUnsigned(sig.slice(33, 65)).mod(n);
 
-            function implShamirsTrick(P, k, Q, l) {
-                var m = Math.max(k.bitLength(), l.bitLength());
-                var Z = P.add2D(Q);
-                var R = P.curve.getInfinity();
-
-                for (var i = m - 1; i >= 0; --i) {
-                    R = R.twice2D();
-
-                    R.z = BigInteger.ONE;
-
-                    if (k.testBit(i)) {
-                        if (l.testBit(i)) {
-                            R = R.add2D(Z);
-                        } else {
-                            R = R.add2D(P);
-                        }
-                    } else {
-                        if (l.testBit(i)) {
-                            R = R.add2D(Q);
-                        }
-                    }
-                }
-
-                return R;
+            return {
+                r: r,
+                s: s,
+                i: i
             };
-
-            var ECDSA = {
-                getBigRandom: function (limit) {
-                    return new BigInteger(limit.bitLength(), rng)
-                        .mod(limit.subtract(BigInteger.ONE))
-                        .add(BigInteger.ONE);
-                },
-                sign: function (hash, priv) {
-                    var d = priv;
-                    var n = ecparams.getN();
-                    var e = BigInteger.fromByteArrayUnsigned(hash);
-
-                    do {
-                        var k = ECDSA.getBigRandom(n);
-                        var G = ecparams.getG();
-                        var Q = G.multiply(k);
-                        var r = Q.getX().toBigInteger().mod(n);
-                    } while (r.compareTo(BigInteger.ZERO) <= 0);
-
-                    var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
-
-                    return ECDSA.serializeSig(r, s);
-                },
-
-                verify: function (hash, sig, pubkey) {
-                    var r, s;
-                    if (Bitcoin.Util.isArray(sig)) {
-                        var obj = ECDSA.parseSig(sig);
-                        r = obj.r;
-                        s = obj.s;
-                    } else if ("object" === typeof sig && sig.r && sig.s) {
-                        r = sig.r;
-                        s = sig.s;
-                    } else {
-                        throw "Invalid value for signature";
-                    }
-
-                    var Q;
-                    if (pubkey instanceof ec.PointFp) {
-                        Q = pubkey;
-                    } else if (Bitcoin.Util.isArray(pubkey)) {
-                        Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
-                    } else {
-                        throw "Invalid format for pubkey value, must be byte array or ec.PointFp";
-                    }
-                    var e = BigInteger.fromByteArrayUnsigned(hash);
-
-                    return ECDSA.verifyRaw(e, r, s, Q);
-                },
-
-                verifyRaw: function (e, r, s, Q) {
-                    var n = ecparams.getN();
-                    var G = ecparams.getG();
-
-                    if (r.compareTo(BigInteger.ONE) < 0 ||
-                        r.compareTo(n) >= 0)
-                        return false;
-
-                    if (s.compareTo(BigInteger.ONE) < 0 ||
-                        s.compareTo(n) >= 0)
-                        return false;
-
-                    var c = s.modInverse(n);
-
-                    var u1 = e.multiply(c).mod(n);
-                    var u2 = r.multiply(c).mod(n);
-
-                    // TODO(!!!): For some reason Shamir's trick isn't working with
-                    // signed message verification!? Probably an implementation
-                    // error!
-                    //var point = implShamirsTrick(G, u1, Q, u2);
-                    var point = G.multiply(u1).add(Q.multiply(u2));
-
-                    var v = point.getX().toBigInteger().mod(n);
-
-                    return v.equals(r);
-                },
-
-                /**
-                * Serialize a signature into DER format.
-                *
-                * Takes two BigIntegers representing r and s and returns a byte array.
-                */
-                serializeSig: function (r, s) {
-                    var rBa = r.toByteArraySigned();
-                    var sBa = s.toByteArraySigned();
-
-                    var sequence = [];
-                    sequence.push(0x02); // INTEGER
-                    sequence.push(rBa.length);
-                    sequence = sequence.concat(rBa);
-
-                    sequence.push(0x02); // INTEGER
-                    sequence.push(sBa.length);
-                    sequence = sequence.concat(sBa);
-
-                    sequence.unshift(sequence.length);
-                    sequence.unshift(0x30); // SEQUENCE
-
-                    return sequence;
-                },
-
-                /**
-                * Parses a byte array containing a DER-encoded signature.
-                *
-                * This function will return an object of the form:
-                *
-                * {
-                *   r: BigInteger,
-                *   s: BigInteger
-                * }
-                */
-                parseSig: function (sig) {
-                    var cursor;
-                    if (sig[0] != 0x30)
-                        throw new Error("Signature not a valid DERSequence");
-
-                    cursor = 2;
-                    if (sig[cursor] != 0x02)
-                        throw new Error("First element in signature must be a DERInteger");;
-                    var rBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
-
-                    cursor += 2 + sig[cursor + 1];
-                    if (sig[cursor] != 0x02)
-                        throw new Error("Second element in signature must be a DERInteger");
-                    var sBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
-
-                    cursor += 2 + sig[cursor + 1];
-
-                    //if (cursor != sig.length)
-                    //	throw new Error("Extra bytes in signature");
-
-                    var r = BigInteger.fromByteArrayUnsigned(rBa);
-                    var s = BigInteger.fromByteArrayUnsigned(sBa);
-
-                    return {
-                        r: r,
-                        s: s
-                    };
-                },
-
-                parseSigCompact: function (sig) {
-                    if (sig.length !== 65) {
-                        throw "Signature has the wrong length";
-                    }
-
-                    // Signature is prefixed with a type byte storing three bits of
-                    // information.
-                    var i = sig[0] - 27;
-                    if (i < 0 || i > 7) {
-                        throw "Invalid signature type";
-                    }
-
-                    var n = ecparams.getN();
-                    var r = BigInteger.fromByteArrayUnsigned(sig.slice(1, 33)).mod(n);
-                    var s = BigInteger.fromByteArrayUnsigned(sig.slice(33, 65)).mod(n);
-
-                    return {
-                        r: r,
-                        s: s,
-                        i: i
-                    };
-                },
-
-                /**
-                * Recover a public key from a signature.
-                *
-                * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public
-                * Key Recovery Operation".
-                *
-                * http://www.secg.org/download/aid-780/sec1-v2.pdf
-                */
-                recoverPubKey: function (r, s, hash, i) {
-                    // The recovery parameter i has two bits.
-                    i = i & 3;
-
-                    // The less significant bit specifies whether the y coordinate
-                    // of the compressed point is even or not.
-                    var isYEven = i & 1;
-
-                    // The more significant bit specifies whether we should use the
-                    // first or second candidate key.
-                    var isSecondKey = i >> 1;
-
-                    var n = ecparams.getN();
-                    var G = ecparams.getG();
-                    var curve = ecparams.getCurve();
-                    var p = curve.getQ();
-                    var a = curve.getA().toBigInteger();
-                    var b = curve.getB().toBigInteger();
-
-                    // We precalculate (p + 1) / 4 where p is if the field order
-                    if (!P_OVER_FOUR) {
-                        P_OVER_FOUR = p.add(BigInteger.ONE).divide(BigInteger.valueOf(4));
-                    }
-
-                    // 1.1 Compute x
-                    var x = isSecondKey ? r.add(n) : r;
-
-                    // 1.3 Convert x to point
-                    var alpha = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);
-                    var beta = alpha.modPow(P_OVER_FOUR, p);
-
-                    var xorOdd = beta.isEven() ? (i % 2) : ((i + 1) % 2);
-                    // If beta is even, but y isn't or vice versa, then convert it,
-                    // otherwise we're done and y == beta.
-                    var y = (beta.isEven() ? !isYEven : isYEven) ? beta : p.subtract(beta);
-
-                    // 1.4 Check that nR is at infinity
-                    var R = new EllipticCurve.PointFp(curve,
-                        curve.fromBigInteger(x),
-                        curve.fromBigInteger(y));
-                    R.validate();
-
-                    // 1.5 Compute e from M
-                    var e = BigInteger.fromByteArrayUnsigned(hash);
-                    var eNeg = BigInteger.ZERO.subtract(e).mod(n);
-
-                    // 1.6 Compute Q = r^-1 (sR - eG)
-                    var rInv = r.modInverse(n);
-                    var Q = implShamirsTrick(R, s, G, eNeg).multiply(rInv);
-
-                    Q.validate();
-                    if (!ECDSA.verifyRaw(e, r, s, Q)) {
-                        throw "Pubkey recovery unsuccessful";
-                    }
-
-                    var pubKey = new Bitcoin.ECKey();
-                    pubKey.pub = Q;
-                    return pubKey;
-                },
-
-                /**
-                * Calculate pubkey extraction parameter.
-                *
-                * When extracting a pubkey from a signature, we have to
-                * distinguish four different cases. Rather than putting this
-                * burden on the verifier, Bitcoin includes a 2-bit value with the
-                * signature.
-                *
-                * This function simply tries all four cases and returns the value
-                * that resulted in a successful pubkey recovery.
-                */
-                calcPubkeyRecoveryParam: function (address, r, s, hash) {
-                    for (var i = 0; i < 4; i++) {
-                        try {
-                            var pubkey = Bitcoin.ECDSA.recoverPubKey(r, s, hash, i);
-                            if (pubkey.getBitcoinAddress().toString() == address) {
-                                return i;
-                            }
-                        } catch (e) { }
-                    }
-                    throw "Unable to find valid recovery factor";
-                }
-            };
-
-            return ECDSA;
-        })();
-        Bitcoin.KeyPool = (function () {
-            var KeyPool = function () {
-                this.keyArray = [];
-
-                this.push = function (item) {
-                    if (item == null || item.priv == null) return;
-                    var doAdd = true;
-                    // prevent duplicates from being added to the array
-                    for (var index in this.keyArray) {
-                        var currentItem = this.keyArray[index];
-                        if (currentItem != null && currentItem.priv != null && item.getBitcoinAddress() == currentItem.getBitcoinAddress()) {
-                            doAdd = false;
-                            break;
-                        }
-                    }
-                    if (doAdd) this.keyArray.push(item);
-                };
-
-                this.reset = function () {
-                    this.keyArray = [];
-                };
-
-                this.getArray = function () {
-                    // copy array
-                    return this.keyArray.slice(0);
-                };
-
-                this.setArray = function (ka) {
-                    this.keyArray = ka;
-                };
-
-                this.length = function () {
-                    return this.keyArray.length;
-                };
-
-                this.toString = function () {
-                    var keyPoolString = "# = " + this.length() + "\n";
-                    var pool = this.getArray();
-                    for (var index in pool) {
-                        var item = pool[index];
-                        if (Bitcoin.Util.hasMethods(item, 'getBitcoinAddress', 'toString')) {
-                            if (item != null) {
-                                keyPoolString += "\"" + item.getBitcoinAddress() + "\"" + ", \"" + item.toString("wif") + "\"\n";
-                            }
-                        }
-                    }
-
-                    return keyPoolString;
-                };
-
-                return this;
-            };
-
-            return new KeyPool();
-        })();
-
-        Bitcoin.Bip38Key = (function () {
-            var Bip38 = function (address, encryptedKey) {
-                this.address = address;
-                this.priv = encryptedKey;
-            };
-
-            Bip38.prototype.getBitcoinAddress = function () {
-                return this.address;
-            };
-
-            Bip38.prototype.toString = function () {
-                return this.priv;
-            };
-
-            return Bip38;
-        })();
-
-        //https://raw.github.com/pointbiz/bitcoinjs-lib/9b2f94a028a7bc9bed94e0722563e9ff1d8e8db8/src/eckey.js
-        Bitcoin.ECKey = (function () {
-            var ECDSA = Bitcoin.ECDSA;
-            var KeyPool = Bitcoin.KeyPool;
-            var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-
-            var ECKey = function (input) {
-                if (!input) {
-                    // Generate new key
-                    var n = ecparams.getN();
-                    this.priv = ECDSA.getBigRandom(n);
-                } else if (input instanceof BigInteger) {
-                    // Input is a private key value
-                    this.priv = input;
-                } else if (Bitcoin.Util.isArray(input)) {
-                    // Prepend zero byte to prevent interpretation as negative integer
-                    this.priv = BigInteger.fromByteArrayUnsigned(input);
-                } else if ("string" == typeof input) {
-                    var bytes = null;
-                    try {
-
-                        // This part is edited for FLO. FLO WIF are always compressed WIF. FLO WIF (private key) starts with R for mainnet and c for testnet.
-                        if (((floGlobals.blockchain == "FLO") && /^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input)) ||
-                            ((floGlobals.blockchain == "FLO_TEST") && /^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input))) {
-                            bytes = ECKey.decodeCompressedWalletImportFormat(input);
-                            this.compressed = true;
-                        } else if (ECKey.isHexFormat(input)) {
-                            bytes = Crypto.util.hexToBytes(input);
-                        }
-
-
-                        /*
-                            if (ECKey.isWalletImportFormat(input)) {
-                                bytes = ECKey.decodeWalletImportFormat(input);
-                            } else if (ECKey.isCompressedWalletImportFormat(input)) {
-                                bytes = ECKey.decodeCompressedWalletImportFormat(input);
-                                this.compressed = true;
-                            } else if (ECKey.isMiniFormat(input)) {
-                                bytes = Crypto.SHA256(input, { asBytes: true });
-                            } else if (ECKey.isHexFormat(input)) {
-                                bytes = Crypto.util.hexToBytes(input);
-                            } else if (ECKey.isBase64Format(input)) {
-                                bytes = Crypto.util.base64ToBytes(input);
-                            }
-                            */
-                    } catch (exc1) {
-                        this.setError(exc1);
-                    }
-
-                    if (ECKey.isBase6Format(input)) {
-                        this.priv = new BigInteger(input, 6);
-                    } else if (bytes == null || bytes.length != 32) {
-                        this.priv = null;
-                    } else {
-                        // Prepend zero byte to prevent interpretation as negative integer
-                        this.priv = BigInteger.fromByteArrayUnsigned(bytes);
-                    }
-                }
-
-                this.compressed = (this.compressed == undefined) ? !!ECKey.compressByDefault : this.compressed;
+        },
+
+        /**
+        * Recover a public key from a signature.
+        *
+        * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public
+        * Key Recovery Operation".
+        *
+        * http://www.secg.org/download/aid-780/sec1-v2.pdf
+        */
+        recoverPubKey: function (r, s, hash, i) {
+            // The recovery parameter i has two bits.
+            i = i & 3;
+
+            // The less significant bit specifies whether the y coordinate
+            // of the compressed point is even or not.
+            var isYEven = i & 1;
+
+            // The more significant bit specifies whether we should use the
+            // first or second candidate key.
+            var isSecondKey = i >> 1;
+
+            var n = ecparams.getN();
+            var G = ecparams.getG();
+            var curve = ecparams.getCurve();
+            var p = curve.getQ();
+            var a = curve.getA().toBigInteger();
+            var b = curve.getB().toBigInteger();
+
+            // We precalculate (p + 1) / 4 where p is if the field order
+            if (!P_OVER_FOUR) {
+                P_OVER_FOUR = p.add(BigInteger.ONE).divide(BigInteger.valueOf(4));
+            }
+
+            // 1.1 Compute x
+            var x = isSecondKey ? r.add(n) : r;
+
+            // 1.3 Convert x to point
+            var alpha = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);
+            var beta = alpha.modPow(P_OVER_FOUR, p);
+
+            var xorOdd = beta.isEven() ? (i % 2) : ((i + 1) % 2);
+            // If beta is even, but y isn't or vice versa, then convert it,
+            // otherwise we're done and y == beta.
+            var y = (beta.isEven() ? !isYEven : isYEven) ? beta : p.subtract(beta);
+
+            // 1.4 Check that nR is at infinity
+            var R = new EllipticCurve.PointFp(curve,
+                curve.fromBigInteger(x),
+                curve.fromBigInteger(y));
+            R.validate();
+
+            // 1.5 Compute e from M
+            var e = BigInteger.fromByteArrayUnsigned(hash);
+            var eNeg = BigInteger.ZERO.subtract(e).mod(n);
+
+            // 1.6 Compute Q = r^-1 (sR - eG)
+            var rInv = r.modInverse(n);
+            var Q = implShamirsTrick(R, s, G, eNeg).multiply(rInv);
+
+            Q.validate();
+            if (!ECDSA.verifyRaw(e, r, s, Q)) {
+                throw "Pubkey recovery unsuccessful";
+            }
+
+            var pubKey = new Bitcoin.ECKey();
+            pubKey.pub = Q;
+            return pubKey;
+        },
+
+        /**
+        * Calculate pubkey extraction parameter.
+        *
+        * When extracting a pubkey from a signature, we have to
+        * distinguish four different cases. Rather than putting this
+        * burden on the verifier, Bitcoin includes a 2-bit value with the
+        * signature.
+        *
+        * This function simply tries all four cases and returns the value
+        * that resulted in a successful pubkey recovery.
+        */
+        calcPubkeyRecoveryParam: function (address, r, s, hash) {
+            for (var i = 0; i < 4; i++) {
                 try {
-                    // check not zero
-                    if (this.priv != null && BigInteger.ZERO.compareTo(this.priv) == 0) this.setError("Error: BigInteger equal to zero.");
-                    // valid range [0x1, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140])
-                    var hexKeyRangeLimit = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140";
-                    var rangeLimitBytes = Crypto.util.hexToBytes(hexKeyRangeLimit);
-                    var limitBigInt = BigInteger.fromByteArrayUnsigned(rangeLimitBytes);
-                    if (this.priv != null && limitBigInt.compareTo(this.priv) < 0) this.setError("Error: BigInteger outside of curve range.")
-
-                    if (this.priv != null) {
-                        KeyPool.push(this);
+                    var pubkey = Bitcoin.ECDSA.recoverPubKey(r, s, hash, i);
+                    if (pubkey.getBitcoinAddress().toString() == address) {
+                        return i;
                     }
-                } catch (exc2) {
-                    this.setError(exc2);
+                } catch (e) {}
+            }
+            throw "Unable to find valid recovery factor";
+        }
+    };
+
+    return ECDSA;
+})();
+Bitcoin.KeyPool = (function () {
+    var KeyPool = function () {
+        this.keyArray = [];
+
+        this.push = function (item) {
+            if (item == null || item.priv == null) return;
+            var doAdd = true;
+            // prevent duplicates from being added to the array
+            for (var index in this.keyArray) {
+                var currentItem = this.keyArray[index];
+                if (currentItem != null && currentItem.priv != null && item.getBitcoinAddress() == currentItem.getBitcoinAddress()) {
+                    doAdd = false;
+                    break;
                 }
-            };
+            }
+            if (doAdd) this.keyArray.push(item);
+        };
 
-            if (floGlobals.blockchain == "FLO")
-                ECKey.privateKeyPrefix = 0xA3; //(Bitcoin mainnet 0x80    testnet 0xEF) (FLO mainnet 0xA3 163 D)
-            else if (floGlobals.blockchain == "FLO_TEST")
-                ECKey.privateKeyPrefix = 0xEF; //FLO testnet
+        this.reset = function () {
+            this.keyArray = [];
+        };
 
-            /**
-            * Whether public keys should be returned compressed by default.
-            */
-            ECKey.compressByDefault = false;
+        this.getArray = function () {
+            // copy array
+            return this.keyArray.slice(0);
+        };
 
-            /**
-            * Set whether the public key should be returned compressed or not.
-            */
-            ECKey.prototype.setError = function (err) {
-                this.error = err;
+        this.setArray = function (ka) {
+            this.keyArray = ka;
+        };
+
+        this.length = function () {
+            return this.keyArray.length;
+        };
+
+        this.toString = function () {
+            var keyPoolString = "# = " + this.length() + "\n";
+            var pool = this.getArray();
+            for (var index in pool) {
+                var item = pool[index];
+                if (Bitcoin.Util.hasMethods(item, 'getBitcoinAddress', 'toString')) {
+                    if (item != null) {
+                        keyPoolString += "\"" + item.getBitcoinAddress() + "\"" + ", \"" + item.toString("wif") + "\"\n";
+                    }
+                }
+            }
+
+            return keyPoolString;
+        };
+
+        return this;
+    };
+
+    return new KeyPool();
+})();
+
+Bitcoin.Bip38Key = (function () {
+    var Bip38 = function (address, encryptedKey) {
+        this.address = address;
+        this.priv = encryptedKey;
+    };
+
+    Bip38.prototype.getBitcoinAddress = function () {
+        return this.address;
+    };
+
+    Bip38.prototype.toString = function () {
+        return this.priv;
+    };
+
+    return Bip38;
+})();
+
+//https://raw.github.com/pointbiz/bitcoinjs-lib/9b2f94a028a7bc9bed94e0722563e9ff1d8e8db8/src/eckey.js
+Bitcoin.ECKey = (function () {
+    var ECDSA = Bitcoin.ECDSA;
+    var KeyPool = Bitcoin.KeyPool;
+    var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+
+    var ECKey = function (input) {
+        if (!input) {
+            // Generate new key
+            var n = ecparams.getN();
+            this.priv = ECDSA.getBigRandom(n);
+        } else if (input instanceof BigInteger) {
+            // Input is a private key value
+            this.priv = input;
+        } else if (Bitcoin.Util.isArray(input)) {
+            // Prepend zero byte to prevent interpretation as negative integer
+            this.priv = BigInteger.fromByteArrayUnsigned(input);
+        } else if ("string" == typeof input) {
+            var bytes = null;
+            try{
+
+            // This part is edited for FLO. FLO WIF are always compressed WIF. FLO WIF (private key) starts with R for mainnet and c for testnet.
+                if(((floGlobals.blockchain == "FLO") && /^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input)) ||
+                    ((floGlobals.blockchain == "FLO_TEST") && /^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input))) {
+                    bytes = ECKey.decodeCompressedWalletImportFormat(input);
+                    this.compressed = true;
+                }else if (ECKey.isHexFormat(input)) {
+                    bytes = Crypto.util.hexToBytes(input);
+                }
+
+
+            /*
+                if (ECKey.isWalletImportFormat(input)) {
+                    bytes = ECKey.decodeWalletImportFormat(input);
+                } else if (ECKey.isCompressedWalletImportFormat(input)) {
+                    bytes = ECKey.decodeCompressedWalletImportFormat(input);
+                    this.compressed = true;
+                } else if (ECKey.isMiniFormat(input)) {
+                    bytes = Crypto.SHA256(input, { asBytes: true });
+                } else if (ECKey.isHexFormat(input)) {
+                    bytes = Crypto.util.hexToBytes(input);
+                } else if (ECKey.isBase64Format(input)) {
+                    bytes = Crypto.util.base64ToBytes(input);
+                }
+                */
+            } catch (exc1) {
+                this.setError(exc1);
+            }
+
+            if (ECKey.isBase6Format(input)) {
+                this.priv = new BigInteger(input, 6);
+            } else if (bytes == null || bytes.length != 32) {
                 this.priv = null;
-                return this;
-            };
+            } else {
+                // Prepend zero byte to prevent interpretation as negative integer
+                this.priv = BigInteger.fromByteArrayUnsigned(bytes);
+            }
+        }
 
-            /**
-            * Set whether the public key should be returned compressed or not.
-            */
-            ECKey.prototype.setCompressed = function (v) {
-                this.compressed = !!v;
-                if (this.pubPoint) this.pubPoint.compressed = this.compressed;
-                return this;
-            };
+        this.compressed = (this.compressed == undefined) ? !!ECKey.compressByDefault : this.compressed;
+        try {
+            // check not zero
+            if (this.priv != null && BigInteger.ZERO.compareTo(this.priv) == 0) this.setError("Error: BigInteger equal to zero.");
+            // valid range [0x1, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140])
+            var hexKeyRangeLimit = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140";
+            var rangeLimitBytes = Crypto.util.hexToBytes(hexKeyRangeLimit);
+            var limitBigInt = BigInteger.fromByteArrayUnsigned(rangeLimitBytes);
+            if (this.priv != null && limitBigInt.compareTo(this.priv) < 0) this.setError("Error: BigInteger outside of curve range.")
 
-            /*
-            * Return public key as a byte array in DER encoding
-            */
-            ECKey.prototype.getPub = function () {
-                if (this.compressed) {
-                    if (this.pubComp) return this.pubComp;
-                    return this.pubComp = this.getPubPoint().getEncoded(1);
-                } else {
-                    if (this.pubUncomp) return this.pubUncomp;
-                    return this.pubUncomp = this.getPubPoint().getEncoded(0);
-                }
-            };
+            if (this.priv != null) {
+                KeyPool.push(this);
+            }
+        } catch (exc2) {
+            this.setError(exc2);
+        }
+    };
 
-            /**
-            * Return public point as ECPoint object.
-            */
-            ECKey.prototype.getPubPoint = function () {
-                if (!this.pubPoint) {
-                    this.pubPoint = ecparams.getG().multiply(this.priv);
-                    this.pubPoint.compressed = this.compressed;
-                }
-                return this.pubPoint;
-            };
+    if(floGlobals.blockchain == "FLO")
+        ECKey.privateKeyPrefix = 0xA3; //(Bitcoin mainnet 0x80    testnet 0xEF) (FLO mainnet 0xA3 163 D)
+    else if(floGlobals.blockchain == "FLO_TEST")
+        ECKey.privateKeyPrefix = 0xEF; //FLO testnet
 
-            ECKey.prototype.getPubKeyHex = function () {
-                if (this.compressed) {
-                    if (this.pubKeyHexComp) return this.pubKeyHexComp;
-                    return this.pubKeyHexComp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
-                } else {
-                    if (this.pubKeyHexUncomp) return this.pubKeyHexUncomp;
-                    return this.pubKeyHexUncomp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
-                }
-            };
+    /**
+    * Whether public keys should be returned compressed by default.
+    */
+    ECKey.compressByDefault = false;
 
-            /**
-            * Get the pubKeyHash for this key.
-            *
-            * This is calculated as RIPE160(SHA256([encoded pubkey])) and returned as
-            * a byte array.
-            */
-            ECKey.prototype.getPubKeyHash = function () {
-                if (this.compressed) {
-                    if (this.pubKeyHashComp) return this.pubKeyHashComp;
-                    return this.pubKeyHashComp = Bitcoin.Util.sha256ripe160(this.getPub());
-                } else {
-                    if (this.pubKeyHashUncomp) return this.pubKeyHashUncomp;
-                    return this.pubKeyHashUncomp = Bitcoin.Util.sha256ripe160(this.getPub());
-                }
-            };
+    /**
+    * Set whether the public key should be returned compressed or not.
+    */
+    ECKey.prototype.setError = function (err) {
+        this.error = err;
+        this.priv = null;
+        return this;
+    };
 
-            ECKey.prototype.getBitcoinAddress = function () {
-                var hash = this.getPubKeyHash();
-                var addr = new Bitcoin.Address(hash);
-                return addr.toString();
-            };
+    /**
+    * Set whether the public key should be returned compressed or not.
+    */
+    ECKey.prototype.setCompressed = function (v) {
+        this.compressed = !!v;
+        if (this.pubPoint) this.pubPoint.compressed = this.compressed;
+        return this;
+    };
 
-            /*
-            * Takes a public point as a hex string or byte array
-            */
-            ECKey.prototype.setPub = function (pub) {
-                // byte array
-                if (Bitcoin.Util.isArray(pub)) {
-                    pub = Crypto.util.bytesToHex(pub).toString().toUpperCase();
-                }
-                var ecPoint = ecparams.getCurve().decodePointHex(pub);
-                this.setCompressed(ecPoint.compressed);
-                this.pubPoint = ecPoint;
-                return this;
-            };
+    /*
+    * Return public key as a byte array in DER encoding
+    */
+    ECKey.prototype.getPub = function () {
+        if (this.compressed) {
+            if (this.pubComp) return this.pubComp;
+            return this.pubComp = this.getPubPoint().getEncoded(1);
+        } else {
+            if (this.pubUncomp) return this.pubUncomp;
+            return this.pubUncomp = this.getPubPoint().getEncoded(0);
+        }
+    };
 
-            // Sipa Private Key Wallet Import Format
-            ECKey.prototype.getBitcoinWalletImportFormat = function () {
-                var bytes = this.getBitcoinPrivateKeyByteArray();
-                if (bytes == null) return "";
-                bytes.unshift(ECKey.privateKeyPrefix); // prepend 0x80 byte
-                if (this.compressed) bytes.push(0x01); // append 0x01 byte for compressed format
-                var checksum = Crypto.SHA256(Crypto.SHA256(bytes, { asBytes: true }), { asBytes: true });
-                bytes = bytes.concat(checksum.slice(0, 4));
-                var privWif = Bitcoin.Base58.encode(bytes);
-                return privWif;
-            };
+    /**
+    * Return public point as ECPoint object.
+    */
+    ECKey.prototype.getPubPoint = function () {
+        if (!this.pubPoint) {
+            this.pubPoint = ecparams.getG().multiply(this.priv);
+            this.pubPoint.compressed = this.compressed;
+        }
+        return this.pubPoint;
+    };
 
-            // Private Key Hex Format
-            ECKey.prototype.getBitcoinHexFormat = function () {
-                return Crypto.util.bytesToHex(this.getBitcoinPrivateKeyByteArray()).toString().toUpperCase();
-            };
+    ECKey.prototype.getPubKeyHex = function () {
+        if (this.compressed) {
+            if (this.pubKeyHexComp) return this.pubKeyHexComp;
+            return this.pubKeyHexComp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
+        } else {
+            if (this.pubKeyHexUncomp) return this.pubKeyHexUncomp;
+            return this.pubKeyHexUncomp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
+        }
+    };
 
-            // Private Key Base64 Format
-            ECKey.prototype.getBitcoinBase64Format = function () {
-                return Crypto.util.bytesToBase64(this.getBitcoinPrivateKeyByteArray());
-            };
+    /**
+    * Get the pubKeyHash for this key.
+    *
+    * This is calculated as RIPE160(SHA256([encoded pubkey])) and returned as
+    * a byte array.
+    */
+    ECKey.prototype.getPubKeyHash = function () {
+        if (this.compressed) {
+            if (this.pubKeyHashComp) return this.pubKeyHashComp;
+            return this.pubKeyHashComp = Bitcoin.Util.sha256ripe160(this.getPub());
+        } else {
+            if (this.pubKeyHashUncomp) return this.pubKeyHashUncomp;
+            return this.pubKeyHashUncomp = Bitcoin.Util.sha256ripe160(this.getPub());
+        }
+    };
 
-            ECKey.prototype.getBitcoinPrivateKeyByteArray = function () {
-                if (this.priv == null) return null;
-                // Get a copy of private key as a byte array
-                var bytes = this.priv.toByteArrayUnsigned();
-                // zero pad if private key is less than 32 bytes
-                while (bytes.length < 32) bytes.unshift(0x00);
-                return bytes;
-            };
+    ECKey.prototype.getBitcoinAddress = function () {
+        var hash = this.getPubKeyHash();
+        var addr = new Bitcoin.Address(hash);
+        return addr.toString();
+    };
 
-            ECKey.prototype.toString = function (format) {
-                format = format || "";
-                if (format.toString().toLowerCase() == "base64" || format.toString().toLowerCase() == "b64") {
-                    return this.getBitcoinBase64Format();
-                }
-                // Wallet Import Format
-                else if (format.toString().toLowerCase() == "wif") {
-                    return this.getBitcoinWalletImportFormat();
-                }
-                else {
-                    return this.getBitcoinHexFormat();
-                }
-            };
+    /*
+    * Takes a public point as a hex string or byte array
+    */
+    ECKey.prototype.setPub = function (pub) {
+        // byte array
+        if (Bitcoin.Util.isArray(pub)) {
+            pub = Crypto.util.bytesToHex(pub).toString().toUpperCase();
+        }
+        var ecPoint = ecparams.getCurve().decodePointHex(pub);
+        this.setCompressed(ecPoint.compressed);
+        this.pubPoint = ecPoint;
+        return this;
+    };
 
-            ECKey.prototype.sign = function (hash) {
-                return ECDSA.sign(hash, this.priv);
-            };
+    // Sipa Private Key Wallet Import Format
+    ECKey.prototype.getBitcoinWalletImportFormat = function () {
+        var bytes = this.getBitcoinPrivateKeyByteArray();
+        if (bytes == null) return "";
+        bytes.unshift(ECKey.privateKeyPrefix); // prepend 0x80 byte
+        if (this.compressed) bytes.push(0x01); // append 0x01 byte for compressed format
+        var checksum = Crypto.SHA256(Crypto.SHA256(bytes, { asBytes: true }), { asBytes: true });
+        bytes = bytes.concat(checksum.slice(0, 4));
+        var privWif = Bitcoin.Base58.encode(bytes);
+        return privWif;
+    };
 
-            ECKey.prototype.verify = function (hash, sig) {
-                return ECDSA.verify(hash, sig, this.getPub());
-            };
+    // Private Key Hex Format
+    ECKey.prototype.getBitcoinHexFormat = function () {
+        return Crypto.util.bytesToHex(this.getBitcoinPrivateKeyByteArray()).toString().toUpperCase();
+    };
 
-            /**
-            * Parse a wallet import format private key contained in a string.
-            */
-            ECKey.decodeWalletImportFormat = function (privStr) {
-                var bytes = Bitcoin.Base58.decode(privStr);
-                var hash = bytes.slice(0, 33);
-                var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-                if (checksum[0] != bytes[33] ||
+    // Private Key Base64 Format
+    ECKey.prototype.getBitcoinBase64Format = function () {
+        return Crypto.util.bytesToBase64(this.getBitcoinPrivateKeyByteArray());
+    };
+
+    ECKey.prototype.getBitcoinPrivateKeyByteArray = function () {
+        if (this.priv == null) return null;
+        // Get a copy of private key as a byte array
+        var bytes = this.priv.toByteArrayUnsigned();
+        // zero pad if private key is less than 32 bytes
+        while (bytes.length < 32) bytes.unshift(0x00);
+        return bytes;
+    };
+
+    ECKey.prototype.toString = function (format) {
+        format = format || "";
+        if (format.toString().toLowerCase() == "base64" || format.toString().toLowerCase() == "b64") {
+            return this.getBitcoinBase64Format();
+        }
+        // Wallet Import Format
+        else if (format.toString().toLowerCase() == "wif") {
+            return this.getBitcoinWalletImportFormat();
+        }
+        else {
+            return this.getBitcoinHexFormat();
+        }
+    };
+
+    ECKey.prototype.sign = function (hash) {
+        return ECDSA.sign(hash, this.priv);
+    };
+
+    ECKey.prototype.verify = function (hash, sig) {
+        return ECDSA.verify(hash, sig, this.getPub());
+    };
+
+    /**
+    * Parse a wallet import format private key contained in a string.
+    */
+    ECKey.decodeWalletImportFormat = function (privStr) {
+        var bytes = Bitcoin.Base58.decode(privStr);
+        var hash = bytes.slice(0, 33);
+        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+        if (checksum[0] != bytes[33] ||
                     checksum[1] != bytes[34] ||
                     checksum[2] != bytes[35] ||
                     checksum[3] != bytes[36]) {
-                    throw "Checksum validation failed!";
+            throw "Checksum validation failed!";
 
-                }
-                var version = hash.shift();
-                if (version != ECKey.privateKeyPrefix) {
-                    throw "Version " + version + " not supported!";
-                }
-                return hash;
-            };
+        }
+        var version = hash.shift();
+        if (version != ECKey.privateKeyPrefix) {
+            throw "Version " + version + " not supported!";
+        }
+        return hash;
+    };
 
-            /**
-            * Parse a compressed wallet import format private key contained in a string.
-            */
-            ECKey.decodeCompressedWalletImportFormat = function (privStr) {
-                var bytes = Bitcoin.Base58.decode(privStr);
-                var hash = bytes.slice(0, 34);
-                var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-                if (checksum[0] != bytes[34] ||
+    /**
+    * Parse a compressed wallet import format private key contained in a string.
+    */
+    ECKey.decodeCompressedWalletImportFormat = function (privStr) {
+        var bytes = Bitcoin.Base58.decode(privStr);
+        var hash = bytes.slice(0, 34);
+        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
+        if (checksum[0] != bytes[34] ||
                     checksum[1] != bytes[35] ||
                     checksum[2] != bytes[36] ||
                     checksum[3] != bytes[37]) {
-                    throw "Checksum validation failed!";
-                }
-                var version = hash.shift();
-                if (version != ECKey.privateKeyPrefix) {
-                    throw "Version " + version + " not supported!";
-                }
-                hash.pop();
-                return hash;
-            };
+            throw "Checksum validation failed!";
+        }
+        var version = hash.shift();
+        if (version != ECKey.privateKeyPrefix) {
+            throw "Version " + version + " not supported!";
+        }
+        hash.pop();
+        return hash;
+    };
 
-            // 64 characters [0-9A-F]
-            ECKey.isHexFormat = function (key) {
-                key = key.toString();
-                return /^[A-Fa-f0-9]{64}$/.test(key);
-            };
+    // 64 characters [0-9A-F]
+    ECKey.isHexFormat = function (key) {
+        key = key.toString();
+        return /^[A-Fa-f0-9]{64}$/.test(key);
+    };
 
-            // 51 characters base58, always starts with a '5'
-            ECKey.isWalletImportFormat = function (key) {
-                key = key.toString();
-                return (ECKey.privateKeyPrefix == 0x80) ?
-                    (/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
-                    (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key));
-            };
+    // 51 characters base58, always starts with a '5'
+    ECKey.isWalletImportFormat = function (key) {
+        key = key.toString();
+        return (ECKey.privateKeyPrefix == 0x80) ?
+                            (/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
+                            (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key));
+    };
 
-            // 52 characters base58
-            ECKey.isCompressedWalletImportFormat = function (key) {
-                key = key.toString();
-                return (ECKey.privateKeyPrefix == 0x80) ?
-                    (/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
-                    (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key));
-            };
+    // 52 characters base58
+    ECKey.isCompressedWalletImportFormat = function (key) {
+        key = key.toString();
+        return (ECKey.privateKeyPrefix == 0x80) ?
+                            (/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
+                            (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key));
+    };
 
-            // 44 characters
-            ECKey.isBase64Format = function (key) {
-                key = key.toString();
-                return (/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=+\/]{44}$/.test(key));
-            };
+    // 44 characters
+    ECKey.isBase64Format = function (key) {
+        key = key.toString();
+        return (/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=+\/]{44}$/.test(key));
+    };
 
-            // 99 characters, 1=1, if using dice convert 6 to 0
-            ECKey.isBase6Format = function (key) {
-                key = key.toString();
-                return (/^[012345]{99}$/.test(key));
-            };
+    // 99 characters, 1=1, if using dice convert 6 to 0
+    ECKey.isBase6Format = function (key) {
+        key = key.toString();
+        return (/^[012345]{99}$/.test(key));
+    };
 
-            // 22, 26 or 30 characters, always starts with an 'S'
-            ECKey.isMiniFormat = function (key) {
-                key = key.toString();
-                var validChars22 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{21}$/.test(key);
-                var validChars26 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{25}$/.test(key);
-                var validChars30 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{29}$/.test(key);
-                var testBytes = Crypto.SHA256(key + "?", { asBytes: true });
+    // 22, 26 or 30 characters, always starts with an 'S'
+    ECKey.isMiniFormat = function (key) {
+        key = key.toString();
+        var validChars22 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{21}$/.test(key);
+        var validChars26 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{25}$/.test(key);
+        var validChars30 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{29}$/.test(key);
+        var testBytes = Crypto.SHA256(key + "?", { asBytes: true });
 
-                return ((testBytes[0] === 0x00 || testBytes[0] === 0x01) && (validChars22 || validChars26 || validChars30));
-            };
+        return ((testBytes[0] === 0x00 || testBytes[0] === 0x01) && (validChars22 || validChars26 || validChars30));
+    };
 
-            return ECKey;
-        })();
-        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/util.js
-        // Bitcoin utility functions
-        Bitcoin.Util = {
-            /**
-            * Cross-browser compatibility version of Array.isArray.
-            */
-            isArray: Array.isArray || function (o) {
-                return Object.prototype.toString.call(o) === '[object Array]';
-            },
-            /**
-            * Create an array of a certain length filled with a specific value.
-            */
-            makeFilledArray: function (len, val) {
-                var array = [];
-                var i = 0;
-                while (i < len) {
-                    array[i++] = val;
-                }
-                return array;
-            },
-            /**
-            * Turn an integer into a "var_int".
-            *
-            * "var_int" is a variable length integer used by Bitcoin's binary format.
-            *
-            * Returns a byte array.
-            */
-            numToVarInt: function (i) {
-                if (i < 0xfd) {
-                    // unsigned char
-                    return [i];
-                } else if (i <= 1 << 16) {
-                    // unsigned short (LE)
-                    return [0xfd, i >>> 8, i & 255];
-                } else if (i <= 1 << 32) {
-                    // unsigned int (LE)
-                    return [0xfe].concat(Crypto.util.wordsToBytes([i]));
-                } else {
-                    // unsigned long long (LE)
-                    return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
-                }
-            },
-            /**
-            * Parse a Bitcoin value byte array, returning a BigInteger.
-            */
-            valueToBigInt: function (valueBuffer) {
-                if (valueBuffer instanceof BigInteger) return valueBuffer;
+    return ECKey;
+})();
+//https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/util.js
+// Bitcoin utility functions
+Bitcoin.Util = {
+    /**
+    * Cross-browser compatibility version of Array.isArray.
+    */
+    isArray: Array.isArray || function (o) {
+        return Object.prototype.toString.call(o) === '[object Array]';
+    },
+    /**
+    * Create an array of a certain length filled with a specific value.
+    */
+    makeFilledArray: function (len, val) {
+        var array = [];
+        var i = 0;
+        while (i < len) {
+            array[i++] = val;
+        }
+        return array;
+    },
+    /**
+    * Turn an integer into a "var_int".
+    *
+    * "var_int" is a variable length integer used by Bitcoin's binary format.
+    *
+    * Returns a byte array.
+    */
+    numToVarInt: function (i) {
+        if (i < 0xfd) {
+            // unsigned char
+            return [i];
+        } else if (i <= 1 << 16) {
+            // unsigned short (LE)
+            return [0xfd, i >>> 8, i & 255];
+        } else if (i <= 1 << 32) {
+            // unsigned int (LE)
+            return [0xfe].concat(Crypto.util.wordsToBytes([i]));
+        } else {
+            // unsigned long long (LE)
+            return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
+        }
+    },
+    /**
+    * Parse a Bitcoin value byte array, returning a BigInteger.
+    */
+    valueToBigInt: function (valueBuffer) {
+        if (valueBuffer instanceof BigInteger) return valueBuffer;
 
-                // Prepend zero byte to prevent interpretation as negative integer
-                return BigInteger.fromByteArrayUnsigned(valueBuffer);
-            },
-            /**
-            * Format a Bitcoin value as a string.
-            *
-            * Takes a BigInteger or byte-array and returns that amount of Bitcoins in a
-            * nice standard formatting.
-            *
-            * Examples:
-            * 12.3555
-            * 0.1234
-            * 900.99998888
-            * 34.00
-            */
-            formatValue: function (valueBuffer) {
-                var value = this.valueToBigInt(valueBuffer).toString();
-                var integerPart = value.length > 8 ? value.substr(0, value.length - 8) : '0';
-                var decimalPart = value.length > 8 ? value.substr(value.length - 8) : value;
-                while (decimalPart.length < 8) decimalPart = "0" + decimalPart;
-                decimalPart = decimalPart.replace(/0*$/, '');
-                while (decimalPart.length < 2) decimalPart += "0";
-                return integerPart + "." + decimalPart;
-            },
-            /**
-            * Parse a floating point string as a Bitcoin value.
-            *
-            * Keep in mind that parsing user input is messy. You should always display
-            * the parsed value back to the user to make sure we understood his input
-            * correctly.
-            */
-            parseValue: function (valueString) {
-                // TODO: Detect other number formats (e.g. comma as decimal separator)
-                var valueComp = valueString.split('.');
-                var integralPart = valueComp[0];
-                var fractionalPart = valueComp[1] || "0";
-                while (fractionalPart.length < 8) fractionalPart += "0";
-                fractionalPart = fractionalPart.replace(/^0+/g, '');
-                var value = BigInteger.valueOf(parseInt(integralPart));
-                value = value.multiply(BigInteger.valueOf(100000000));
-                value = value.add(BigInteger.valueOf(parseInt(fractionalPart)));
-                return value;
-            },
-            /**
-            * Calculate RIPEMD160(SHA256(data)).
-            *
-            * Takes an arbitrary byte array as inputs and returns the hash as a byte
-            * array.
-            */
-            sha256ripe160: function (data) {
-                return ripemd160(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
-            },
-            // double sha256
-            dsha256: function (data) {
-                return Crypto.SHA256(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
-            },
-            // duck typing method
-            hasMethods: function (obj /*, method list as strings */) {
-                var i = 1, methodName;
-                while ((methodName = arguments[i++])) {
-                    if (typeof obj[methodName] != 'function') {
-                        return false;
-                    }
-                }
-                return true;
+        // Prepend zero byte to prevent interpretation as negative integer
+        return BigInteger.fromByteArrayUnsigned(valueBuffer);
+    },
+    /**
+    * Format a Bitcoin value as a string.
+    *
+    * Takes a BigInteger or byte-array and returns that amount of Bitcoins in a
+    * nice standard formatting.
+    *
+    * Examples:
+    * 12.3555
+    * 0.1234
+    * 900.99998888
+    * 34.00
+    */
+    formatValue: function (valueBuffer) {
+        var value = this.valueToBigInt(valueBuffer).toString();
+        var integerPart = value.length > 8 ? value.substr(0, value.length - 8) : '0';
+        var decimalPart = value.length > 8 ? value.substr(value.length - 8) : value;
+        while (decimalPart.length < 8) decimalPart = "0" + decimalPart;
+        decimalPart = decimalPart.replace(/0*$/, '');
+        while (decimalPart.length < 2) decimalPart += "0";
+        return integerPart + "." + decimalPart;
+    },
+    /**
+    * Parse a floating point string as a Bitcoin value.
+    *
+    * Keep in mind that parsing user input is messy. You should always display
+    * the parsed value back to the user to make sure we understood his input
+    * correctly.
+    */
+    parseValue: function (valueString) {
+        // TODO: Detect other number formats (e.g. comma as decimal separator)
+        var valueComp = valueString.split('.');
+        var integralPart = valueComp[0];
+        var fractionalPart = valueComp[1] || "0";
+        while (fractionalPart.length < 8) fractionalPart += "0";
+        fractionalPart = fractionalPart.replace(/^0+/g, '');
+        var value = BigInteger.valueOf(parseInt(integralPart));
+        value = value.multiply(BigInteger.valueOf(100000000));
+        value = value.add(BigInteger.valueOf(parseInt(fractionalPart)));
+        return value;
+    },
+    /**
+    * Calculate RIPEMD160(SHA256(data)).
+    *
+    * Takes an arbitrary byte array as inputs and returns the hash as a byte
+    * array.
+    */
+    sha256ripe160: function (data) {
+        return ripemd160(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
+    },
+    // double sha256
+    dsha256: function (data) {
+        return Crypto.SHA256(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
+    },
+    // duck typing method
+    hasMethods: function(obj /*, method list as strings */){
+        var i = 1, methodName;
+        while((methodName = arguments[i++])){
+            if(typeof obj[methodName] != 'function') {
+                return false;
             }
-        };
+        }
+        return true;
+    }
+};
 
-        // secrets.js - by Alexander Stetsyuk - released under MIT License
-        (function (exports, global) {
+
+    (function (ellipticCurveType) {
+
+            //Defining Elliptic Encryption Object  
+            var ellipticEncryption = window.ellipticCurveEncryption = function () {};
+
+            ellipticEncryption.rng = new SecureRandom();
+
+
+
+            ellipticEncryption.getCurveParameters = function (curveName) {
+
+                //Default is secp256k1
+                curveName = typeof curveName !== 'undefined' ? curveName : "secp256k1";
+
+                var c = EllipticCurve.getSECCurveByName(curveName);
+                var curveDetails = {
+                    Q: "",
+                    A: "",
+                    B: "",
+                    GX: "",
+                    GY: "",
+                    N: ""
+                };
+
+                curveDetails.Q = c.getCurve().getQ().toString();
+                curveDetails.A = c.getCurve().getA().toBigInteger().toString();
+                curveDetails.B = c.getCurve().getB().toBigInteger().toString();
+                curveDetails.GX = c.getG().getX().toBigInteger().toString();
+                curveDetails.GY = c.getG().getY().toBigInteger().toString();
+                curveDetails.N = c.getN().toString();
+
+                return curveDetails;
+
+            }
+
+            ellipticEncryption.selectedCurve = ellipticEncryption.getCurveParameters(ellipticCurveType);
+
+
+            ellipticEncryption.get_curve = function () {
+                return new EllipticCurve.CurveFp(new BigInteger(this.selectedCurve.Q),
+                    new BigInteger(this.selectedCurve.A),
+                    new BigInteger(this.selectedCurve.B));
+            }
+
+            ellipticEncryption.get_G = function (curve) {
+                return new EllipticCurve.PointFp(curve,
+                    curve.fromBigInteger(new BigInteger(this.selectedCurve.GX)),
+                    curve.fromBigInteger(new BigInteger(this.selectedCurve.GY)));
+            }
+
+
+            ellipticEncryption.pick_rand = function () {
+                var n = new BigInteger(this.selectedCurve.N);
+                var n1 = n.subtract(BigInteger.ONE);
+                var r = new BigInteger(n.bitLength(), this.rng);
+                return r.mod(n1).add(BigInteger.ONE);
+            }
+
+
+            ellipticEncryption.senderRandom = function () {
+                var r = this.pick_rand();
+                return r.toString();
+            };
+
+
+
+            ellipticEncryption.receiverRandom = function () {
+
+                //This is receivers private key. For now we will use random. CHANGE IT LATER
+                var r = this.pick_rand();
+                return r.toString();
+            }
+
+
+
+            ellipticEncryption.senderPublicString = function (senderPrivateKey) {
+
+                var senderKeyECData = {};
+
+                var curve = this.get_curve();
+                var G = this.get_G(curve);
+                var a = new BigInteger(senderPrivateKey);
+                var P = G.multiply(a);
+                senderKeyECData.XValuePublicString = P.getX().toBigInteger().toString();
+                senderKeyECData.YValuePublicString = P.getY().toBigInteger().toString();
+
+                return senderKeyECData;
+            }
+
+            //In real life ellipticEncryption.receiverPublicString is the public key of the receiver.
+            //you don't have to run receiverRandom and the bottom function 
+            ellipticEncryption.receiverPublicString = function (receiverPublicKey) {
+
+                var receiverKeyECData = {};
+
+                var curve = this.get_curve();
+                var G = this.get_G(curve);
+                var a = new BigInteger(receiverPublicKey);
+                var P = G.multiply(a);
+                receiverKeyECData.XValuePublicString = P.getX().toBigInteger().toString();
+                receiverKeyECData.YValuePublicString = P.getY().toBigInteger().toString();
+
+                return receiverKeyECData;
+            }
+
+            ellipticEncryption.senderSharedKeyDerivation = function (receiverPublicStringXValue,
+                receiverPublicStringYValue, senderPrivateKey) {
+
+                var senderDerivedKey = {};
+                var curve = this.get_curve();
+                var P = new EllipticCurve.PointFp(curve,
+                    curve.fromBigInteger(new BigInteger(receiverPublicStringXValue)),
+                    curve.fromBigInteger(new BigInteger(receiverPublicStringYValue)));
+                var a = new BigInteger(senderPrivateKey);
+                var S = P.multiply(a);
+
+                senderDerivedKey.XValue = S.getX().toBigInteger().toString();
+                senderDerivedKey.YValue = S.getY().toBigInteger().toString();
+
+                return senderDerivedKey;
+            }
+
+
+            ellipticEncryption.receiverSharedKeyDerivation = function (senderPublicStringXValue,
+                senderPublicStringYValue, receiverPrivateKey) {
+
+                var receiverDerivedKey = {};
+                var curve = this.get_curve();
+                var P = new EllipticCurve.PointFp(curve,
+                    curve.fromBigInteger(new BigInteger(senderPublicStringXValue)),
+                    curve.fromBigInteger(new BigInteger(senderPublicStringYValue)));
+                var a = new BigInteger(receiverPrivateKey);
+                var S = P.multiply(a);
+
+                receiverDerivedKey.XValue = S.getX().toBigInteger().toString();
+                receiverDerivedKey.YValue = S.getY().toBigInteger().toString();
+
+                return receiverDerivedKey;
+            }
+
+        })("secp256k1");
+
+
+    // secrets.js - by Alexander Stetsyuk - released under MIT License
+    (function (exports, global) {
             var defaults = {
                 bits: 8, // default number of bits
                 radix: 16, // work with HEX by default
@@ -7572,7 +9026,7 @@
 
             function init(bits) {
                 if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                    defaults.maxBits)) {
+                        defaults.maxBits)) {
                     throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
                         defaults.maxBits + ', inclusive.')
                 }
@@ -7635,7 +9089,7 @@
 
                 // node.js crypto.randomBytes()
                 if (typeof require === 'function' && (crypto = require('crypto')) && (randomBits = crypto[
-                    'randomBytes'])) {
+                        'randomBytes'])) {
                     return function (bits) {
                         var bytes = Math.ceil(bits / 8),
                             str = null;
@@ -7649,7 +9103,7 @@
 
                 // browsers with window.crypto.getRandomValues()
                 if (global['crypto'] && typeof global['crypto']['getRandomValues'] === 'function' && typeof global[
-                    'Uint32Array'] === 'function') {
+                        'Uint32Array'] === 'function') {
                     crypto = global['crypto'];
                     return function (bits) {
                         var elems = Math.ceil(bits / 32),
@@ -7706,7 +9160,7 @@
 
                 // test the RNG (5 times)
                 if (typeof rng !== 'function' || typeof rng(config.bits) !== 'string' || !parseInt(rng(config.bits),
-                    2) || rng(config.bits).length > config.bits || rng(config.bits).length < config.bits) {
+                        2) || rng(config.bits).length > config.bits || rng(config.bits).length < config.bits) {
                     throw new Error(
                         "Random number generator is invalid. Supply an RNG of the form function(bits){} that returns a string containing 'bits' number of random 1's and 0's."
                     )
@@ -7862,7 +9316,7 @@
 
                 var bits = parseInt(share[0], 36);
                 if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                    defaults.maxBits)) {
+                        defaults.maxBits)) {
                     throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
                         defaults.maxBits + ', inclusive.')
                 }
@@ -7983,7 +9437,7 @@
                             product = -1; // fix for a zero product term, after which the sum should be sum^0 = sum, not sum^1
                             break;
                         }
-                        product = (product + config.logs[at ^ x[j]] - config.logs[x[i] ^ x[j]] + config.max /* to make sure it's not negative */) %
+                        product = (product + config.logs[at ^ x[j]] - config.logs[x[i] ^ x[j]] + config.max /* to make sure it's not negative */ ) %
                             config.max;
                     }
 
@@ -8109,50 +9563,241 @@
             exports.init();
         })(typeof module !== 'undefined' && module['exports'] ? module['exports'] : (window['shamirSecretShare'] = {}),
             typeof global !== 'undefined' ? global : window);
-    </script>
 
-    <script>
-        /* FLO Crypto Operators*/
-        const floCrypto = {
+        //For diff base
+    /*
+    Functions available:
+    diff(originalObj, updatedObj) returns the difference of the original and updated objects
+    addedDiff(original, updatedObj) returns only the values added to the updated object
+    deletedDiff(original, updatedObj) returns only the values deleted in the updated object
+    updatedDiff(original, updatedObj) returns only the values that have been changed in the updated object
+    findDiff(original, updatedObj) returns an object with the added, deleted and updated differences  
+    mergeRecursive(original, diff) returns a new object that will merge difference to old object
+    mergeDiff(original, allDiff) returns a new object from original object merged with all differences (allDiff is returned object of findDiff)
+    */
+(function(){
+    const isDate = d => d instanceof Date;
+    const isEmpty = o => Object.keys(o).length === 0;
+    const isObject = o => o != null && typeof o === 'object';
+    const properObject = o => isObject(o) && !o.hasOwnProperty ? { ...o } : o;    
+    const getLargerArray = (l, r) => l.length > r.length ? l : r;
 
+    const preserve = (diff, left, right) => {
+      if (!isObject(diff)) return diff;
+      return Object.keys(diff).reduce((acc, key) => {
+        const leftArray = left[key];
+        const rightArray = right[key];
+        if (Array.isArray(leftArray) && Array.isArray(rightArray)) {
+          const array = [...getLargerArray(leftArray, rightArray)];
+          return {
+            ...acc,
+            [key]: array.reduce((acc2, item, index) => {
+              if (diff[key].hasOwnProperty(index)) {
+                acc2[index] = preserve(diff[key][index], leftArray[index], rightArray[index]); // diff recurse and check for nested arrays
+                return acc2;
+              }
+              delete acc2[index]; // no diff aka empty
+              return acc2;
+            }, array)
+          };
+        }
+        return {
+          ...acc,
+          [key]: diff[key]
+        };
+      }, {});
+    };
+    
+    const updatedDiff = (lhs, rhs) => {
+      if (lhs === rhs) return {};
+      if (!isObject(lhs) || !isObject(rhs)) return rhs;
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+      if (isDate(l) || isDate(r)) {
+        if (l.valueOf() == r.valueOf()) return {};
+        return r;
+      }
+      return Object.keys(r).reduce((acc, key) => {
+        if (l.hasOwnProperty(key)) {
+          const difference = updatedDiff(l[key], r[key]);
+          if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc;
+          return { ...acc, [key]: difference };
+        }
+        return acc;
+      }, {});
+    };
+    
+    
+    const diff = (lhs, rhs) => {
+      if (lhs === rhs) return {}; // equal return no diff
+      if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+      const deletedValues = Object.keys(l).reduce((acc, key) => {
+        return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
+      }, {});
+      if (isDate(l) || isDate(r)) {
+        if (l.valueOf() == r.valueOf()) return {};
+        return r;
+      }
+      return Object.keys(r).reduce((acc, key) => {
+        if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
+        const difference = diff(l[key], r[key]);
+        if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
+        return { ...acc, [key]: difference }; // return updated key
+      }, deletedValues);
+    };
+    
+    const addedDiff = (lhs, rhs) => {
+      if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+      return Object.keys(r).reduce((acc, key) => {
+        if (l.hasOwnProperty(key)) {
+          const difference = addedDiff(l[key], r[key]);
+          if (isObject(difference) && isEmpty(difference)) return acc;
+          return { ...acc, [key]: difference };
+        }
+        return { ...acc, [key]: r[key] };
+      }, {});
+    };
+    
+    const arrayDiff = (lhs, rhs) => {
+      if (lhs === rhs) return {}; // equal return no diff
+      if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+      const deletedValues = Object.keys(l).reduce((acc, key) => {
+        return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
+      }, {});
+      if (isDate(l) || isDate(r)) {
+        if (l.valueOf() == r.valueOf()) return {};
+        return r;
+      }
+      if (Array.isArray(r) && Array.isArray(l)) {
+        const deletedValues = l.reduce((acc, item, index) => {
+          return r.hasOwnProperty(index) ? acc.concat(item) : acc.concat(null);
+        }, []);
+        return r.reduce((acc, rightItem, index) => {
+          if (!deletedValues.hasOwnProperty(index)) {
+            return acc.concat(rightItem);
+          }
+          const leftItem = l[index];
+          const difference = diff(rightItem, leftItem);
+          if (isObject(difference) && isEmpty(difference) && !isDate(difference)) {
+            delete acc[index];
+            return acc; // return no diff
+          }
+          return acc.slice(0, index).concat(rightItem).concat(acc.slice(index + 1)); // return updated key
+        }, deletedValues);
+      }
+    
+      return Object.keys(r).reduce((acc, key) => {
+        if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
+        const difference = diff(l[key], r[key]);
+        if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
+        return { ...acc, [key]: difference }; // return updated key
+      }, deletedValues);
+    };
+    
+    const deletedDiff = (lhs, rhs) => {
+      if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
+      const l = properObject(lhs);
+      const r = properObject(rhs);
+      return Object.keys(l).reduce((acc, key) => {
+        if (r.hasOwnProperty(key)) {
+          const difference = deletedDiff(l[key], r[key]);
+          if (isObject(difference) && isEmpty(difference)) return acc;
+          return { ...acc, [key]: difference };
+        }
+        return { ...acc, [key]: null };
+      }, {});
+    };
+    window.findDiff = (lhs, rhs) => ({
+      added: addedDiff(lhs, rhs),
+      deleted: deletedDiff(lhs, rhs),
+      updated: updatedDiff(lhs, rhs),
+    });
+    
+    const mergeRecursive = (obj1, obj2) => {
+        for (var p in obj2) {
+            try {
+                if(obj2[p].constructor == Object) 
+                    obj1[p] = mergeRecursive(obj1[p], obj2[p]);
+                // Property in destination object set; update its value.
+                else if (Ext.isArray(obj2[p])) {
+                    // obj1[p] = [];
+                    if (obj2[p].length < 1) 
+                        obj1[p] = obj2[p];
+                    else 
+                        obj1[p] = mergeRecursive(obj1[p], obj2[p]);
+                }else
+                    obj1[p] = obj2[p];
+            } catch (e) {
+                // Property in destination object not set; create it and set its value.
+                obj1[p] = obj2[p];
+            }
+        }
+        return obj1;
+    }
+    
+    const cleanse = (obj) => {
+        Object.keys(obj).forEach(key => {
+            var value = obj[key];
+            if (typeof value === "object" && value !== null) {
+                // Recurse...
+                cleanse(value);
+                // ...and remove if now "empty" (NOTE: insert your definition of "empty" here)
+                //if (!Object.keys(value).length) 
+                  //  delete obj[key];
+            }
+            else if (value === null) 
+                delete obj[key];// null, remove it
+        });
+        if(obj.constructor.toString().indexOf("Array") != -1)  {obj = obj.filter(function (el) {
+            return el != null;
+        });}
+        return obj; 
+    }
+    
+    /*obj is original object or array, diff is the output of findDiff */
+    window.mergeDiff = (obj, diff) => {
+      if(Object.keys(diff.updated).length !== 0)
+        obj = mergeRecursive(obj, diff.updated)
+      if(Object.keys(diff.deleted).length !== 0){
+        obj = mergeRecursive(obj, diff.deleted)
+        obj = cleanse(obj)
+      }
+      if(Object.keys(diff.added).length !== 0)
+        obj = mergeRecursive(obj, diff.added)
+        return obj
+    }
+})();
+</script>
+
+<script id="floCrypto" version="2.0.1">
+    /* FLO Crypto Operators*/
+    const floCrypto = {
+
+        util: {
             p: BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", 16),
 
             ecparams: EllipticCurve.getSECCurveByName("secp256k1"),
 
-            exponent1: function () {
+            asciiAlternatives: `‘ '\n’ '\n“ "\n” "\n– --\n— ---\n≥ >=\n≤ <=\n≠ !=\n× *\n÷ /\n← <-\n→ ->\n↔ <->\n⇒ =>\n⇐ <=\n⇔ <=>`,
+
+            exponent1: function() {
                 return this.p.add(BigInteger.ONE).divide(BigInteger("4"))
             },
 
-            calculateY: function (x) {
+            calculateY: function(x) {
                 let p = this.p;
                 let exp = this.exponent1();
                 // x is x value of public key in BigInteger format without 02 or 03 or 04 prefix
                 return x.modPow(BigInteger("3"), p).add(BigInteger("7")).mod(p).modPow(exp, p)
             },
-
-            //generate a random Interger within range
-            randInt: function (min, max) {
-                min = Math.ceil(min);
-                max = Math.floor(max);
-                return Math.floor(Math.random() * (max - min + 1)) + min;
-            },
-
-            //generate a random String within length (options : alphaNumeric chars only)
-            randString: function (length, alphaNumeric = false) {
-                var result = '';
-                if (alphaNumeric)
-                    var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
-                else
-                    var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_+-./*?@#&$<>=[]{}():';
-                for (var i = 0; i < length; i++)
-                    result += characters.charAt(Math.floor(Math.random() * characters.length));
-                return result;
-            },
-
-            getUncompressedPublicKey: function (compressedPublicKey) {
-
+            getUncompressedPublicKey: function(compressedPublicKey) {
                 const p = this.p;
-
                 // Fetch x from compressedPublicKey
                 let pubKeyBytes = Crypto.util.hexToBytes(compressedPublicKey);
                 const prefix = pubKeyBytes.shift() // remove prefix
@@ -8160,27 +9805,21 @@
                 pubKeyBytes.unshift(0) // add prefix 0
                 let x = new BigInteger(pubKeyBytes)
                 let xDecimalValue = x.toString()
-
                 // Fetch y
                 let y = this.calculateY(x);
                 let yDecimalValue = y.toString();
-
                 // verify y value
                 let resultBigInt = y.mod(BigInteger("2"));
-
                 let check = resultBigInt.toString() % 2;
-
-                if (prefix_modulus !== check) {
+                if (prefix_modulus !== check)
                     yDecimalValue = y.negate().mod(p).toString();
-                }
-
                 return {
                     x: xDecimalValue,
                     y: yDecimalValue
                 };
             },
 
-            getSenderPublicKeyString: function () {
+            getSenderPublicKeyString: function() {
                 privateKey = ellipticCurveEncryption.senderRandom();
                 senderPublicKeyString = ellipticCurveEncryption.senderPublicString(privateKey);
                 return {
@@ -8189,38 +9828,28 @@
                 }
             },
 
-            deriveSharedKeySender: function (receiverCompressedPublicKey, senderPrivateKey) {
-                try {
-                    let receiverPublicKeyString = this.getUncompressedPublicKey(receiverCompressedPublicKey);
-                    var senderDerivedKey = ellipticCurveEncryption.senderSharedKeyDerivation(
-                        receiverPublicKeyString.x, receiverPublicKeyString.y, senderPrivateKey);
-                    return senderDerivedKey;
-                } catch (error) {
-                    return new Error(error);
-                }
+            deriveSharedKeySender: function(receiverCompressedPublicKey, senderPrivateKey) {
+                let receiverPublicKeyString = this.getUncompressedPublicKey(receiverCompressedPublicKey);
+                var senderDerivedKey = ellipticCurveEncryption.senderSharedKeyDerivation(
+                    receiverPublicKeyString.x, receiverPublicKeyString.y, senderPrivateKey);
+                return senderDerivedKey;
             },
 
-            deriveReceiverSharedKey: function (senderPublicKeyString, receiverPrivateKey) {
+            deriveReceiverSharedKey: function(senderPublicKeyString, receiverPrivateKey) {
                 return ellipticCurveEncryption.receiverSharedKeyDerivation(
-                    senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString,
-                    receiverPrivateKey);
+                    senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString, receiverPrivateKey);
             },
 
-            getReceiverPublicKeyString: function (privateKey) {
+            getReceiverPublicKeyString: function(privateKey) {
                 return ellipticCurveEncryption.receiverPublicString(privateKey);
             },
 
-            deriveSharedKeyReceiver: function (senderPublicKeyString, receiverPrivateKey) {
-                try {
-                    return ellipticCurveEncryption.receiverSharedKeyDerivation(senderPublicKeyString.XValuePublicString,
-                        senderPublicKeyString.YValuePublicString, receiverPrivateKey);
-
-                } catch (error) {
-                    return new Error(error);
-                }
+            deriveSharedKeyReceiver: function(senderPublicKeyString, receiverPrivateKey) {
+                return ellipticCurveEncryption.receiverSharedKeyDerivation(
+                    senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString, receiverPrivateKey);
             },
 
-            wifToDecimal: function (pk_wif, isPubKeyCompressed = false) {
+            wifToDecimal: function(pk_wif, isPubKeyCompressed = false) {
                 let pk = Bitcoin.Base58.decode(pk_wif)
                 pk.shift()
                 pk.splice(-4, 4)
@@ -8233,254 +9862,376 @@
                     privateKeyDecimal: privateKeyDecimal,
                     privateKeyHex: privateKeyHex
                 }
-            },
-
-            //Encrypt Data using public-key
-            encryptData: function (data, receiverCompressedPublicKey) {
-                var senderECKeyData = this.getSenderPublicKeyString();
-                var senderDerivedKey = this.deriveSharedKeySender(receiverCompressedPublicKey, senderECKeyData.privateKey);
-                let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
-                let secret = Crypto.AES.encrypt(data, senderKey);
-                return {
-                    secret: secret,
-                    senderPublicKeyString: senderECKeyData.senderPublicKeyString
-                };
-            },
-
-            //Decrypt Data using private-key
-            decryptData: function (data, myPrivateKey) {
-                var receiverECKeyData = {};
-                if (typeof myPrivateKey !== "string") throw new Error("No private key found.");
-
-                let privateKey = this.wifToDecimal(myPrivateKey, true);
-                if (typeof privateKey.privateKeyDecimal !== "string") throw new Error(
-                    "Failed to detremine your private key.");
-                receiverECKeyData.privateKey = privateKey.privateKeyDecimal;
-
-                var receiverDerivedKey = this.deriveReceiverSharedKey(data.senderPublicKeyString, receiverECKeyData
-                    .privateKey);
-
-                let receiverKey = receiverDerivedKey.XValue + receiverDerivedKey.YValue;
-                let decryptMsg = Crypto.AES.decrypt(data.secret, receiverKey);
-                return decryptMsg;
-            },
-
-            //Sign data using private-key
-            signData: function (data, privateKeyHex) {
-                var key = new Bitcoin.ECKey(privateKeyHex);
-                key.setCompressed(true);
-
-                var privateKeyArr = key.getBitcoinPrivateKeyByteArray();
-                privateKey = BigInteger.fromByteArrayUnsigned(privateKeyArr);
-                var messageHash = Crypto.SHA256(data);
-
-                var messageHashBigInteger = new BigInteger(messageHash);
-                var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, key.priv);
-
-                var sighex = Crypto.util.bytesToHex(messageSign);
-                return sighex;
-            },
-
-            //Verify signatue of the data using public-key
-            verifySign: function (data, signatureHex, publicKeyHex) {
-                var msgHash = Crypto.SHA256(data);
-                var messageHashBigInteger = new BigInteger(msgHash);
-
-                var sigBytes = Crypto.util.hexToBytes(signatureHex);
-                var signature = Bitcoin.ECDSA.parseSig(sigBytes);
-
-                var publicKeyPoint = this.ecparams.getCurve().decodePointHex(publicKeyHex);
-
-                var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s,
-                    publicKeyPoint);
-                return verify;
-            },
-
-            //Generates a new flo ID and returns private-key, public-key and floID
-            generateNewID: function () {
-                try {
-                    var key = new Bitcoin.ECKey(false);
-                    key.setCompressed(true);
-                    return {
-                        floID: key.getBitcoinAddress(),
-                        pubKey: key.getPubKeyHex(),
-                        privKey: key.getBitcoinWalletImportFormat()
-                    }
-                } catch (e) {
-                    console.log(e);
-                }
-            },
-
-            //Returns public-key from private-key
-            getPubKeyHex: function (privateKeyHex) {
-                var key = new Bitcoin.ECKey(privateKeyHex);
-                if (key.priv == null) {
-                    alert("Invalid Private key");
-                    return;
-                }
-                key.setCompressed(true);
-                var pubkeyHex = key.getPubKeyHex();
-                return pubkeyHex;
-            },
-
-            //Returns flo-ID from public-key
-            getFloIDfromPubkeyHex: function (pubkeyHex) {
-                var key = new Bitcoin.ECKey().setPub(pubkeyHex);
-                var floID = key.getBitcoinAddress();
-                return floID;
-            },
-
-            //Verify the private-key for the given public-key or flo-ID
-            verifyPrivKey: function (privateKeyHex, pubKey_floID, isfloID = true) {
-                try {
-                    var key = new Bitcoin.ECKey(privateKeyHex);
-                    if (key.priv == null)
-                        return false;
-                    key.setCompressed(true);
-                    if (isfloID && pubKey_floID == key.getBitcoinAddress())
-                        return true;
-                    else if (!isfloID && pubKey_floID == key.getPubKeyHex())
-                        return true;
-                    else
-                        return false;
-                } catch (e) {
-                    console.log(e);
-                }
-            },
-
-            //Check if the given Address is valid or not
-            validateAddr: function (inpAddr) {
-                try {
-                    var addr = new Bitcoin.Address(inpAddr);
-                    return true;
-                } catch {
-                    return false;
-                }
-            },
-
-            createShamirsSecretShares: function (str, total_shares, threshold_limit) {
-                try {
-                    if (str.length > 0) {
-                        var strHex = shamirSecretShare.str2hex(str);
-                        var shares = shamirSecretShare.share(strHex, total_shares, threshold_limit);
-                        return shares;
-                    }
-                    return false;
-                } catch {
-                    return false
-                }
-            },
-
-            verifyShamirsSecret: function (sharesArray, str) {
-                return (str && this.retrieveShamirSecret(sharesArray) === str)
-            },
-
-            retrieveShamirSecret: function (sharesArray) {
-                try {
-                    if (sharesArray.length > 0) {
-                        var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
-                        comb = shamirSecretShare.hex2str(comb);
-                        return comb;
-                    }
-                    return false;
-                } catch {
-                    return false
-                }
             }
-        }
-    </script>
-    <script>
-        /* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
-        const floBlockchainAPI = {
+        },
 
-            util: {
-                serverList: floGlobals.apiURL[floGlobals.blockchain].slice(0),
-                curPos: floCrypto.randInt(0, floGlobals.apiURL[floGlobals.blockchain].length - 1),
-                fetch_retry: function (apicall) {
-                    return new Promise((resolve, reject) => {
-                        this.serverList.splice(this.curPos, 1);
-                        this.curPos = floCrypto.randInt(0, this.serverList.length - 1)
-                        this.fetch_api(apicall)
-                            .then(result => resolve(result))
-                            .catch(error => reject(error));
-                    })
-                },
-                fetch_api: function (apicall) {
-                    return new Promise((resolve, reject) => {
-                        if (this.serverList.length === 0)
-                            reject("No floSight server working")
-                        else {
-                            fetch(this.serverList[this.curPos] + apicall).then(response => {
-                                if (response.ok)
-                                    response.json().then(data => resolve(data));
-                                else {
-                                    this.fetch_retry(apicall)
-                                        .then(result => resolve(result))
-                                        .catch(error => reject(error));
-                                }
-                            }).catch(error => {
-                                this.fetch_retry(apicall)
-                                    .then(result => resolve(result))
-                                    .catch(error => reject(error));
-                            })
-                        }
-                    })
+        //generate a random Interger within range
+        randInt: function(min, max) {
+            min = Math.ceil(min);
+            max = Math.floor(max);
+            return Math.floor(Math.random() * (max - min + 1)) + min;
+        },
+
+        //generate a random String within length (options : alphaNumeric chars only)
+        randString: function(length, alphaNumeric = true) {
+            var result = '';
+            if (alphaNumeric)
+                var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+            else
+                var characters =
+                    'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_+-./*?@#&$<>=[]{}():';
+            for (var i = 0; i < length; i++)
+                result += characters.charAt(Math.floor(Math.random() * characters.length));
+            return result;
+        },
+
+        //Encrypt Data using public-key
+        encryptData: function(data, receiverCompressedPublicKey) {
+            var senderECKeyData = this.util.getSenderPublicKeyString();
+            var senderDerivedKey = this.util.deriveSharedKeySender(receiverCompressedPublicKey, senderECKeyData
+                .privateKey);
+            let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
+            let secret = Crypto.AES.encrypt(data, senderKey);
+            return {
+                secret: secret,
+                senderPublicKeyString: senderECKeyData.senderPublicKeyString
+            };
+        },
+
+        //Decrypt Data using private-key
+        decryptData: function(data, myPrivateKey) {
+            var receiverECKeyData = {};
+            if (typeof myPrivateKey !== "string") throw new Error("No private key found.");
+
+            let privateKey = this.util.wifToDecimal(myPrivateKey, true);
+            if (typeof privateKey.privateKeyDecimal !== "string") throw new Error(
+                "Failed to detremine your private key.");
+            receiverECKeyData.privateKey = privateKey.privateKeyDecimal;
+
+            var receiverDerivedKey = this.util.deriveReceiverSharedKey(data.senderPublicKeyString,
+                receiverECKeyData
+                .privateKey);
+
+            let receiverKey = receiverDerivedKey.XValue + receiverDerivedKey.YValue;
+            let decryptMsg = Crypto.AES.decrypt(data.secret, receiverKey);
+            return decryptMsg;
+        },
+
+        //Sign data using private-key
+        signData: function(data, privateKeyHex) {
+            var key = new Bitcoin.ECKey(privateKeyHex);
+            key.setCompressed(true);
+
+            var privateKeyArr = key.getBitcoinPrivateKeyByteArray();
+            privateKey = BigInteger.fromByteArrayUnsigned(privateKeyArr);
+            var messageHash = Crypto.SHA256(data);
+
+            var messageHashBigInteger = new BigInteger(messageHash);
+            var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, key.priv);
+
+            var sighex = Crypto.util.bytesToHex(messageSign);
+            return sighex;
+        },
+
+        //Verify signatue of the data using public-key
+        verifySign: function(data, signatureHex, publicKeyHex) {
+            var msgHash = Crypto.SHA256(data);
+            var messageHashBigInteger = new BigInteger(msgHash);
+
+            var sigBytes = Crypto.util.hexToBytes(signatureHex);
+            var signature = Bitcoin.ECDSA.parseSig(sigBytes);
+
+            var publicKeyPoint = this.util.ecparams.getCurve().decodePointHex(publicKeyHex);
+
+            var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s,
+                publicKeyPoint);
+            return verify;
+        },
+
+        //Generates a new flo ID and returns private-key, public-key and floID
+        generateNewID: function() {
+            try {
+                var key = new Bitcoin.ECKey(false);
+                key.setCompressed(true);
+                return {
+                    floID: key.getBitcoinAddress(),
+                    pubKey: key.getPubKeyHex(),
+                    privKey: key.getBitcoinWalletImportFormat()
                 }
-            },
+            } catch (e) {
+                console.error(e);
+            }
+        },
 
-            //Promised function to get data from API
-            promisedAPI: function (apicall) {
+        //Returns public-key from private-key
+        getPubKeyHex: function(privateKeyHex) {
+            if (!privateKeyHex)
+                return null;
+            var key = new Bitcoin.ECKey(privateKeyHex);
+            if (key.priv == null)
+                return null;
+            key.setCompressed(true);
+            return key.getPubKeyHex();
+        },
+
+        //Returns flo-ID from public-key or private-key
+        getFloID: function(keyHex) {
+            if (!keyHex)
+                return null;
+            try {
+                var key = new Bitcoin.ECKey(keyHex);
+                if (key.priv == null)
+                    key.setPub(keyHex);
+                return key.getBitcoinAddress();
+            } catch (e) {
+                return null;
+            }
+        },
+
+        //Verify the private-key for the given public-key or flo-ID
+        verifyPrivKey: function(privateKeyHex, pubKey_floID, isfloID = true) {
+            if (!privateKeyHex || !pubKey_floID)
+                return false;
+            try {
+                var key = new Bitcoin.ECKey(privateKeyHex);
+                if (key.priv == null)
+                    return false;
+                key.setCompressed(true);
+                if (isfloID && pubKey_floID == key.getBitcoinAddress())
+                    return true;
+                else if (!isfloID && pubKey_floID == key.getPubKeyHex())
+                    return true;
+                else
+                    return false;
+            } catch (e) {
+                console.error(e);
+            }
+        },
+
+        //Check if the given Address is valid or not
+        validateAddr: function(inpAddr) {
+            if (!inpAddr)
+                return false;
+            try {
+                var addr = new Bitcoin.Address(inpAddr);
+                return true;
+            } catch {
+                return false;
+            }
+        },
+
+        //Split the str using shamir's Secret and Returns the shares 
+        createShamirsSecretShares: function(str, total_shares, threshold_limit) {
+            try {
+                if (str.length > 0) {
+                    var strHex = shamirSecretShare.str2hex(str);
+                    var shares = shamirSecretShare.share(strHex, total_shares, threshold_limit);
+                    return shares;
+                }
+                return false;
+            } catch {
+                return false
+            }
+        },
+
+        //Verifies the shares and str
+        verifyShamirsSecret: function(sharesArray, str) {
+            return (str && this.retrieveShamirSecret(sharesArray) === str)
+        },
+
+        //Returns the retrived secret by combining the shamirs shares
+        retrieveShamirSecret: function(sharesArray) {
+            try {
+                if (sharesArray.length > 0) {
+                    var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
+                    comb = shamirSecretShare.hex2str(comb);
+                    return comb;
+                }
+                return false;
+            } catch {
+                return false;
+            }
+        },
+
+        validateASCII: function(string, bool = true) {
+            if (typeof string !== "string")
+                return null;
+            if (bool) {
+                let x;
+                for (let i = 0; i < string.length; i++) {
+                    x = string.charCodeAt(i);
+                    if (x < 32 || x > 127)
+                        return false;
+                }
+                return true;
+            } else {
+                let x, invalids = {};
+                for (let i = 0; i < string.length; i++) {
+                    x = string.charCodeAt(i);
+                    if (x < 32 || x > 127)
+                        if (x in invalids)
+                            invalids[string[i]].push(i)
+                    else
+                        invalids[string[i]] = [i];
+                }
+                if (Object.keys(invalids).length)
+                    return invalids;
+                else
+                    return true;
+            }
+        },
+
+        convertToASCII: function(string, mode = 'soft-remove') {
+            let chars = this.validateASCII(string, false);
+            if (chars === true)
+                return string;
+            else if (chars === null)
+                return null;
+            let convertor, result = string,
+                refAlt = {};
+            this.util.asciiAlternatives.split('\n').forEach(a => refAlt[a[0]] = a.slice(2));
+            mode = mode.toLowerCase();
+            if (mode === "hard-unicode")
+                convertor = (c) => `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
+            else if (mode === "soft-unicode")
+                convertor = (c) => refAlt[c] || `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
+            else if (mode === "hard-remove")
+                convertor = c => "";
+            else if (mode === "soft-remove")
+                convertor = c => refAlt[c] || "";
+            else
+                return null;
+            for (let c in chars)
+                result = result.replaceAll(c, convertor(c));
+            return result;
+        },
+
+        revertUnicode: function(string) {
+            return string.replace(/\\u[\dA-F]{4}/gi,
+                m => String.fromCharCode(parseInt(m.replace(/\\u/g, ''), 16)));
+        }
+    }
+</script>
+<script id="floBlockchainAPI" version="2.1.1a">
+    /* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
+    const floBlockchainAPI = {
+
+        util: {
+            serverList: floGlobals.apiURL[floGlobals.blockchain].slice(0),
+            curPos: floCrypto.randInt(0, floGlobals.apiURL[floGlobals.blockchain].length - 1),
+            fetch_retry: function(apicall, rm_flosight) {
                 return new Promise((resolve, reject) => {
-                    console.log(apicall)
-                    this.util.fetch_api(apicall)
+                    let i = this.serverList.indexOf(rm_flosight)
+                    if (i != -1) this.serverList.splice(i, 1);
+                    this.curPos = floCrypto.randInt(0, this.serverList.length - 1);
+                    this.fetch_api(apicall)
                         .then(result => resolve(result))
                         .catch(error => reject(error));
-                });
+                })
             },
-
-            //Get balance for the given Address
-            getBalance: function (addr) {
+            fetch_api: function(apicall) {
                 return new Promise((resolve, reject) => {
-                    this.promisedAPI(`api/addr/${addr}/balance`)
-                        .then(balance => resolve(parseFloat(balance)))
-                        .catch(error => reject(error));
-                });
-            },
-
-            //Write Data into blockchain
-            writeData: function (senderAddr, data, privKey, receiverAddr) {
-                return new Promise((resolve, reject) => {
-                    this.sendTx(senderAddr, receiverAddr, floGlobals.sendAmt, privKey, data)
-                        .then(txid => resolve(txid))
-                        .catch(error => reject(error))
-                });
-            },
-
-            //Send Tx to blockchain 
-            sendTx: function (senderAddr, receiverAddr, sendAmt, privKey, floData = '') {
-                return new Promise((resolve, reject) => {
-                    if (!floCrypto.validateAddr(senderAddr))
-                        reject(`Invalid address : ${senderAddr}`);
-                    else if (!floCrypto.validateAddr(receiverAddr))
-                        reject(`Invalid address : ${receiverAddr}`);
-                    if (privKey.length < 1 || !floCrypto.verifyPrivKey(privKey, senderAddr))
-                        reject("Invalid Private key!");
-                    else if (typeof sendAmt !== 'number' || sendAmt <= 0)
-                        reject(`Invalid sendAmt : ${sendAmt}`);
+                    if (this.serverList.length === 0)
+                        reject("No floSight server working");
                     else {
-                        var trx = bitjs.transaction();
-                        var utxoAmt = 0.0;
-                        var fee = floGlobals.fee;
+                        let flosight = this.serverList[this.curPos];
+                        fetch(flosight + apicall).then(response => {
+                            if (response.ok)
+                                response.json().then(data => resolve(data));
+                            else {
+                                this.fetch_retry(apicall, flosight)
+                                    .then(result => resolve(result))
+                                    .catch(error => reject(error));
+                            }
+                        }).catch(error => {
+                            this.fetch_retry(apicall, flosight)
+                                .then(result => resolve(result))
+                                .catch(error => reject(error));
+                        })
+                    }
+                })
+            },
+
+            current: function() {
+                return this.serverList[this.curPos];
+            }
+        },
+
+        //Promised function to get data from API
+        promisedAPI: function(apicall) {
+            return new Promise((resolve, reject) => {
+                //console.log(apicall);
+                this.util.fetch_api(apicall)
+                    .then(result => resolve(result))
+                    .catch(error => reject(error));
+            });
+        },
+
+        //Get balance for the given Address
+        getBalance: function(addr) {
+            return new Promise((resolve, reject) => {
+                this.promisedAPI(`api/addr/${addr}/balance`)
+                    .then(balance => resolve(parseFloat(balance)))
+                    .catch(error => reject(error));
+            });
+        },
+
+        //Write Data into blockchain
+        writeData: function(senderAddr, data, privKey, receiverAddr = floGlobals.adminID, strict_utxo = true) {
+            return new Promise((resolve, reject) => {
+                if (typeof data != "string")
+                    data = JSON.stringify(data);
+                this.sendTx(senderAddr, receiverAddr, floGlobals.sendAmt, privKey, data, strict_utxo)
+                    .then(txid => resolve(txid))
+                    .catch(error => reject(error));
+            });
+        },
+
+        //Send Tx to blockchain 
+        sendTx: function(senderAddr, receiverAddr, sendAmt, privKey, floData = '', strict_utxo = true) {
+            return new Promise((resolve, reject) => {
+                if (!floCrypto.validateASCII(floData))
+                    return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
+                else if (!floCrypto.validateAddr(senderAddr))
+                    return reject(`Invalid address : ${senderAddr}`);
+                else if (!floCrypto.validateAddr(receiverAddr))
+                    return reject(`Invalid address : ${receiverAddr}`);
+                else if (privKey.length < 1 || !floCrypto.verifyPrivKey(privKey, senderAddr))
+                    return reject("Invalid Private key!");
+                else if (typeof sendAmt !== 'number' || sendAmt <= 0)
+                    return reject(`Invalid sendAmt : ${sendAmt}`);
+
+                //get unconfirmed tx list
+                this.promisedAPI(`api/addr/${senderAddr}`).then(result => {
+                    this.readTxs(senderAddr, 0, result.unconfirmedTxApperances).then(result => {
+                        let unconfirmedSpent = {};
+                        for (let tx of result.items)
+                            if (tx.confirmations == 0)
+                                for (let vin of tx.vin)
+                                    if (vin.addr === senderAddr) {
+                                        if (Array.isArray(unconfirmedSpent[vin.txid]))
+                                            unconfirmedSpent[vin.txid].push(vin.vout);
+                                        else
+                                            unconfirmedSpent[vin.txid] = [vin.vout];
+                                    }
+                        //get utxos list
                         this.promisedAPI(`api/addr/${senderAddr}/utxo`).then(utxos => {
+                            //form/construct the transaction data
+                            var trx = bitjs.transaction();
+                            var utxoAmt = 0.0;
+                            var fee = floGlobals.fee;
                             for (var i = utxos.length - 1;
                                 (i >= 0) && (utxoAmt < sendAmt + fee); i--) {
-                                if (utxos[i].confirmations) {
-                                    trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey)
+                                //use only utxos with confirmations (strict_utxo mode)
+                                if (utxos[i].confirmations || !strict_utxo) {
+                                    if (utxos[i].txid in unconfirmedSpent && unconfirmedSpent[utxos[i].txid].includes(utxos[i].vout))
+                                        continue; //A transaction has already used this utxo, but is unconfirmed.
+                                    trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
                                     utxoAmt += utxos[i].amount;
-                                } else break;
+                                };
                             }
                             if (utxoAmt < sendAmt + fee)
-                                reject("Insufficient balance!");
+                                reject("Insufficient FLO balance!");
                             else {
                                 trx.addoutput(receiverAddr, sendAmt);
                                 var change = utxoAmt - sendAmt - fee;
@@ -8493,552 +10244,777 @@
                                     .catch(error => reject(error))
                             }
                         }).catch(error => reject(error))
+                    }).catch(error => reject(error))
+                }).catch(error => reject(error))
+            });
+        },
+
+        //merge all UTXOs of a given floID into a single UTXO
+        mergeUTXOs: function(floID, privKey, floData = '') {
+            return new Promise((resolve, reject) => {
+                if (!floCrypto.validateAddr(floID))
+                    return reject(`Invalid floID`);
+                if (!floCrypto.verifyPrivKey(privKey, floID))
+                    return reject("Invalid Private Key");
+                if (!floCrypto.validateASCII(floData))
+                    return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
+                var trx = bitjs.transaction();
+                var utxoAmt = 0.0;
+                var fee = floGlobals.fee;
+                this.promisedAPI(`api/addr/${floID}/utxo`).then(utxos => {
+                    for (var i = utxos.length - 1; i >= 0; i--)
+                        if (utxos[i].confirmations) {
+                            trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
+                            utxoAmt += utxos[i].amount;
+                        }
+                    trx.addoutput(floID, utxoAmt - fee);
+                    trx.addflodata(floData.replace(/\n/g, ' '));
+                    var signedTxHash = trx.sign(privKey, 1);
+                    this.broadcastTx(signedTxHash)
+                        .then(txid => resolve(txid))
+                        .catch(error => reject(error))
+                }).catch(error => reject(error))
+            })
+        },
+
+        /**Write data into blockchain from (and/or) to multiple floID
+         * @param  {Array} senderPrivKeys List of sender private-keys
+         * @param  {string} data FLO data of the txn
+         * @param  {Array} receivers List of receivers
+         * @param  {boolean} preserveRatio (optional) preserve ratio or equal contribution
+         * @return {Promise}
+         */
+        writeDataMultiple: function(senderPrivKeys, data, receivers = [floGlobals.adminID], preserveRatio = true) {
+            return new Promise((resolve, reject) => {
+                if (!Array.isArray(senderPrivKeys))
+                    return reject("Invalid senderPrivKeys: SenderPrivKeys must be Array");
+                if (!preserveRatio) {
+                    let tmp = {};
+                    let amount = (floGlobals.sendAmt * receivers.length) / senderPrivKeys.length;
+                    senderPrivKeys.forEach(key => tmp[key] = amount);
+                    senderPrivKeys = tmp;
+                }
+                if (!Array.isArray(receivers))
+                    return reject("Invalid receivers: Receivers must be Array");
+                else {
+                    let tmp = {};
+                    let amount = floGlobals.sendAmt;
+                    receivers.forEach(floID => tmp[floID] = amount);
+                    receivers = tmp
+                }
+                if (typeof data != "string")
+                    data = JSON.stringify(data);
+                this.sendTxMultiple(senderPrivKeys, receivers, data)
+                    .then(txid => resolve(txid))
+                    .catch(error => reject(error))
+            })
+        },
+
+        /**Send Tx from (and/or) to multiple floID
+         * @param  {Array or Object} senderPrivKeys List of sender private-key (optional: with coins to be sent)
+         * @param  {Object} receivers List of receivers with respective amount to be sent
+         * @param  {string} floData FLO data of the txn
+         * @return {Promise}
+         */
+        sendTxMultiple: function(senderPrivKeys, receivers, floData = '') {
+            return new Promise((resolve, reject) => {
+                if (!floCrypto.validateASCII(floData))
+                    return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
+                let senders = {},
+                    preserveRatio;
+                //check for argument validations
+                try {
+                    let invalids = {
+                        InvalidSenderPrivKeys: [],
+                        InvalidSenderAmountFor: [],
+                        InvalidReceiverIDs: [],
+                        InvalidReceiveAmountFor: []
                     }
-                });
-            },
-
-
-            //merge all UTXOs of a given floID into a single UTXO
-            mergeUTXOs: function (floID, privKey, floData = '') {
-                return new Promise((resolve, reject) => {
-                    if (!floCrypto.validateAddr(floID))
-                        return reject(`Invalid floID`);
-                    if (!floCrypto.verifyPrivKey(privKey, floID))
-                        return reject("Invalid Private Key")
-
-                    var trx = bitjs.transaction();
-                    var utxoAmt = 0.0;
-                    var fee = floGlobals.fee;
-                    this.promisedAPI(`api/addr/${floID}/utxo`).then(utxos => {
-                        for (var i = utxos.length - 1; i >= 0; i--) {
-                            if (utxos[i].confirmations) {
-                                trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i]
-                                    .scriptPubKey)
-                                utxoAmt += utxos[i].amount;
+                    let inputVal = 0,
+                        outputVal = 0;
+                    //Validate sender privatekeys (and send amount if passed)
+                    //conversion when only privateKeys are passed (preserveRatio mode)
+                    if (Array.isArray(senderPrivKeys)) {
+                        senderPrivKeys.forEach(key => {
+                            try {
+                                if (!key)
+                                    invalids.InvalidSenderPrivKeys.push(key);
+                                else {
+                                    let floID = floCrypto.getFloID(key);
+                                    senders[floID] = {
+                                        wif: key
+                                    }
+                                }
+                            } catch (error) {
+                                invalids.InvalidSenderPrivKeys.push(key)
+                            }
+                        })
+                        preserveRatio = true;
+                    }
+                    //conversion when privatekeys are passed with send amount
+                    else {
+                        for (let key in senderPrivKeys) {
+                            try {
+                                if (!key)
+                                    invalids.InvalidSenderPrivKeys.push(key);
+                                else {
+                                    if (typeof senderPrivKeys[key] !== 'number' || senderPrivKeys[key] <= 0)
+                                        invalids.InvalidSenderAmountFor.push(key);
+                                    else
+                                        inputVal += senderPrivKeys[key];
+                                    let floID = floCrypto.getFloID(key);
+                                    senders[floID] = {
+                                        wif: key,
+                                        coins: senderPrivKeys[key]
+                                    }
+                                }
+                            } catch (error) {
+                                invalids.InvalidSenderPrivKeys.push(key)
                             }
                         }
-                        trx.addoutput(floID, utxoAmt - fee);
+                        preserveRatio = false;
+                    }
+                    //Validate the receiver IDs and receive amount
+                    for (let floID in receivers) {
+                        if (!floCrypto.validateAddr(floID))
+                            invalids.InvalidReceiverIDs.push(floID);
+                        if (typeof receivers[floID] !== 'number' || receivers[floID] <= 0)
+                            invalids.InvalidReceiveAmountFor.push(floID);
+                        else
+                            outputVal += receivers[floID];
+                    }
+                    //Reject if any invalids are found
+                    for (let i in invalids)
+                        if (!invalids[i].length)
+                            delete invalids[i];
+                    if (Object.keys(invalids).length)
+                        return reject(invalids);
+                    //Reject if given inputVal and outputVal are not equal
+                    if (!preserveRatio && inputVal != outputVal)
+                        return reject(`Input Amount (${inputVal}) not equal to Output Amount (${outputVal})`);
+                } catch (error) {
+                    return reject(error)
+                }
+                //Get balance of senders
+                let promises = [];
+                for (let floID in senders)
+                    promises.push(this.getBalance(floID));
+                Promise.all(promises).then(results => {
+                    let totalBalance = 0,
+                        totalFee = floGlobals.fee,
+                        balance = {};
+                    //Divide fee among sender if not for preserveRatio
+                    if (!preserveRatio)
+                        var dividedFee = totalFee / Object.keys(senders).length;
+                    //Check if balance of each sender is sufficient enough
+                    let insufficient = [];
+                    for (let floID in senders) {
+                        balance[floID] = parseFloat(results.shift());
+                        if (isNaN(balance[floID]) || (preserveRatio && balance[floID] <= totalFee) ||
+                            (!preserveRatio && balance[floID] < senders[floID].coins + dividedFee))
+                            insufficient.push(floID);
+                        totalBalance += balance[floID];
+                    }
+                    if (insufficient.length)
+                        return reject({
+                            InsufficientBalance: insufficient
+                        })
+                    //Calculate totalSentAmount and check if totalBalance is sufficient
+                    let totalSendAmt = totalFee;
+                    for (floID in receivers)
+                        totalSendAmt += receivers[floID];
+                    if (totalBalance < totalSendAmt)
+                        return reject("Insufficient total Balance");
+                    //Get the UTXOs of the senders
+                    let promises = [];
+                    for (floID in senders)
+                        promises.push(this.promisedAPI(`api/addr/${floID}/utxo`));
+                    Promise.all(promises).then(results => {
+                        let wifSeq = [];
+                        var trx = bitjs.transaction();
+                        for (floID in senders) {
+                            let utxos = results.shift();
+                            let sendAmt;
+                            if (preserveRatio) {
+                                let ratio = (balance[floID] / totalBalance);
+                                sendAmt = totalSendAmt * ratio;
+                            } else
+                                sendAmt = senders[floID].coins + dividedFee;
+                            let wif = senders[floID].wif;
+                            let utxoAmt = 0.0;
+                            for (let i = utxos.length - 1;
+                                (i >= 0) && (utxoAmt < sendAmt); i--) {
+                                if (utxos[i].confirmations) {
+                                    trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
+                                    wifSeq.push(wif);
+                                    utxoAmt += utxos[i].amount;
+                                }
+                            }
+                            if (utxoAmt < sendAmt)
+                                return reject("Insufficient balance:" + floID);
+                            let change = (utxoAmt - sendAmt);
+                            if (change > 0)
+                                trx.addoutput(floID, change);
+                        }
+                        for (floID in receivers)
+                            trx.addoutput(floID, receivers[floID]);
                         trx.addflodata(floData.replace(/\n/g, ' '));
-                        var signedTxHash = trx.sign(privKey, 1);
+                        for (let i = 0; i < wifSeq.length; i++)
+                            trx.signinput(i, wifSeq[i], 1);
+                        var signedTxHash = trx.serialize();
                         this.broadcastTx(signedTxHash)
                             .then(txid => resolve(txid))
                             .catch(error => reject(error))
                     }).catch(error => reject(error))
-                })
-            },
+                }).catch(error => reject(error))
+            })
+        },
 
-            /**Write data into blockchain from (and/or) to multiple floID
-             * @param  {Array} senderPrivKeys List of sender private-keys
-             * @param  {string} data FLO data of the txn
-             * @param  {Array} receivers List of receivers
-             * @param  {float} sendAmt (optional) amount to be sent to receivers (default value: floGlobals.sendAmt)
-             * @return {Promise}
-             */
-            writeDataMultiple: function (senderPrivKeys, data, receivers, preserveRatio = true) {
-                return new Promise((resolve, reject) => {
-                    if (!Array.isArray(senderPrivKeys))
-                        return reject("Invalid senderPrivKeys: SenderPrivKeys must be Array")
-                    if (!preserveRatio) {
-                        let tmp = {};
-                        let amount = (floGlobals.sendAmt * receivers.length) / senderPrivKeys.length;
-                        senderPrivKeys.forEach(key => tmp[key] = amount);
-                        senderPrivKeys = tmp
+        //Broadcast signed Tx in blockchain using API
+        broadcastTx: function(signedTxHash) {
+            return new Promise((resolve, reject) => {
+                var request = new XMLHttpRequest();
+                var url = this.util.serverList[this.util.curPos] + 'api/tx/send';
+                console.log(url);
+                if (signedTxHash.length < 1)
+                    reject("Empty Signature");
+                else {
+                    var params = `{"rawtx":"${signedTxHash}"}`;
+                    request.open('POST', url, true);
+                    //Send the proper header information along with the request
+                    request.setRequestHeader('Content-type', 'application/json');
+                    request.onload = function() {
+                        if (request.readyState == 4 && request.status == 200) {
+                            console.log(request.response);
+                            resolve(JSON.parse(request.response).txid.result);
+                        } else
+                            reject(request.responseText);
                     }
-                    if (!Array.isArray(receivers))
-                        return reject("Invalid receivers: Receivers must be Array")
-                    else {
-                        let tmp = {};
-                        let amount = floGlobals.sendAmt;
-                        receivers.forEach(floID => tmp[floID] = amount);
-                        receivers = tmp
-                    }
-                    if (typeof data != "string")
-                        data = JSON.stringify(data);
-                    this.sendTxMultiple(senderPrivKeys, receivers, data)
-                        .then(txid => resolve(txid))
-                        .catch(error => reject(error))
-                })
-            },
+                    request.send(params);
+                }
+            })
+        },
 
-            /**Send Tx from (and/or) to multiple floID
-             * @param  {Array or Object} senderPrivKeys List of sender private-key (optional: with coins to be sent)
-             * @param  {Object} receivers List of receivers with respective amount to be sent
-             * @param  {string} floData FLO data of the txn
-             * @return {Promise}
-             */
-            sendTxMultiple: function (senderPrivKeys, receivers, floData = '') {
-                return new Promise((resolve, reject) => {
+        getTx: function(txid) {
+            return new Promise((resolve, reject) => {
+                this.promisedAPI(`api/tx/${txid}`)
+                    .then(response => resolve(response))
+                    .catch(error => reject(error))
+            })
+        },
 
-                    let senders = {}, preserveRatio;
-                    //check for argument validations
-                    try {
-                        let invalids = {
-                            InvalidSenderPrivKeys: [],
-                            InvalidSenderAmountFor: [],
-                            InvalidReceiverIDs: [],
-                            InvalidReceiveAmountFor: []
-                        }
-                        let inputVal = 0, outputVal = 0;
-                        //Validate sender privatekeys (and send amount if passed)
-                        //conversion when only privateKeys are passed (preserveRatio mode)
-                        if (Array.isArray(senderPrivKeys)) {
-                            senderPrivKeys.forEach(key => {
-                                try {
-                                    if (!key)
-                                        invalids.InvalidSenderPrivKeys.push(key);
-                                    else {
-                                        let floID = floCrypto.getFloIDfromPubkeyHex(floCrypto.getPubKeyHex(key));
-                                        senders[floID] = {
-                                            wif: key
-                                        }
+        //Read Txs of Address between from and to
+        readTxs: function(addr, from, to) {
+            return new Promise((resolve, reject) => {
+                this.promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
+                    .then(response => resolve(response))
+                    .catch(error => reject(error))
+            });
+        },
+
+        //Read All Txs of Address (newest first)
+        readAllTxs: function(addr) {
+            return new Promise((resolve, reject) => {
+                this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
+                    this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${response.totalItems}0`)
+                        .then(response => resolve(response.items))
+                        .catch(error => reject(error));
+                }).catch(error => reject(error))
+            });
+        },
+
+        /*Read flo Data from txs of given Address
+        options can be used to filter data
+        limit       : maximum number of filtered data (default = 1000, negative  = no limit)
+        ignoreOld   : ignore old txs (default = 0)
+        sentOnly    : filters only sent data
+        receivedOnly: filters only received data
+        pattern     : filters data that with JSON pattern
+        filter      : custom filter funtion for floData (eg . filter: d => {return d[0] == '$'})
+        tx          : (boolean) resolve tx data or not (resolves an Array of Object with tx details)
+        sender      : flo-id(s) of sender
+        receiver    : flo-id(s) of receiver
+        */
+        readData: function(addr, options = {}) {
+            options.limit = options.limit || 0;
+            options.ignoreOld = options.ignoreOld || 0;
+            if (typeof options.sender === "string") options.sender = [options.sender];
+            if (typeof options.receiver === "string") options.receiver = [options.receiver];
+            return new Promise((resolve, reject) => {
+                this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
+                    var newItems = response.totalItems - options.ignoreOld;
+                    this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems*2}`).then(response => {
+                            if (options.limit <= 0)
+                                options.limit = response.items.length;
+                            var filteredData = [];
+                            for (let i = 0; i < (response.totalItems - options.ignoreOld) && filteredData.length < options.limit; i++) {
+                                if (options.pattern) {
+                                    try {
+                                        let jsonContent = JSON.parse(response.items[i].floData);
+                                        if (!Object.keys(jsonContent).includes(options.pattern))
+                                            continue;
+                                    } catch (error) {
+                                        continue;
                                     }
-                                } catch (error) {
-                                    invalids.InvalidSenderPrivKeys.push(key)
                                 }
-                            })
-                            preserveRatio = true;
-                        }
-                        //conversion when privatekeys are passed with send amount
-                        else {
-                            for (let key in senderPrivKeys) {
-                                try {
-                                    if (!key)
-                                        invalids.InvalidSenderPrivKeys.push(key);
-                                    else {
-                                        if (typeof senderPrivKeys[key] !== 'number' || senderPrivKeys[key] <= 0)
-                                            invalids.InvalidSenderAmountFor.push(key)
-                                        else
-                                            inputVal += senderPrivKeys[key];
-                                        let floID = floCrypto.getFloIDfromPubkeyHex(floCrypto.getPubKeyHex(key));
-                                        senders[floID] = {
-                                            wif: key,
-                                            coins: senderPrivKeys[key]
+                                if (options.sentOnly) {
+                                    let flag = false;
+                                    for (let vin of response.items[i].vin)
+                                        if (vin.addr === addr) {
+                                            flag = true;
+                                            break;
                                         }
-                                    }
-                                } catch (error) {
-                                    invalids.InvalidSenderPrivKeys.push(key)
+                                    if (!flag) continue;
                                 }
-                            }
-                            preserveRatio = false;
-                        }
-                        //Validate the receiver IDs and receive amount
-                        for (let floID in receivers) {
-                            if (!floCrypto.validateAddr(floID))
-                                invalids.InvalidReceiverIDs.push(floID)
-                            if (typeof receivers[floID] !== 'number' || receivers[floID] <= 0)
-                                invalids.InvalidReceiveAmountFor.push(floID)
-                            else
-                                outputVal += receivers[floID];
-                        }
-                        //Reject if any invalids are found
-                        for (let i in invalids)
-                            if (!invalids[i].length)
-                                delete invalids[i];
-                        if (Object.keys(invalids).length)
-                            return reject(invalids);
-                        //Reject if given inputVal and outputVal are not equal
-                        if (!preserveRatio && inputVal != outputVal)
-                            return reject(`Input Amount (${inputVal}) not equal to Output Amount (${outputVal})`)
-                    } catch (error) {
-                        return reject(error)
-                    }
-                    //Get balance of senders
-                    let promises = []
-                    for (let floID in senders)
-                        promises.push(this.getBalance(floID))
-                    Promise.all(promises).then(results => {
-                        let totalBalance = 0,
-                            totalFee = floGlobals.fee,
-                            balance = {};
-                        //Divide fee among sender if not for preserveRatio
-                        if (!preserveRatio)
-                            var dividedFee = totalFee / Object.keys(senders).length;
-                        //Check if balance of each sender is sufficient enough
-                        let insufficient = [];
-                        for (let floID in senders) {
-                            balance[floID] = parseFloat(results.shift());
-                            if (isNaN(balance[floID]) || (preserveRatio && balance[floID] <= totalFee) || (!preserveRatio && balance[floID] < senders[floID].coins + dividedFee))
-                                insufficient.push(floID)
-                            totalBalance += balance[floID];
-                        }
-                        if (insufficient.length)
-                            return reject({ InsufficientBalance: insufficient })
-                        //Calculate totalSentAmount and check if totalBalance is sufficient
-                        let totalSendAmt = totalFee;
-                        for (floID in receivers)
-                            totalSendAmt += receivers[floID];
-                        if (totalBalance < totalSendAmt)
-                            return reject("Insufficient total Balance")
-                        //Get the UTXOs of the senders
-                        let promises = []
-                        for (floID in senders)
-                            promises.push(this.promisedAPI(`api/addr/${floID}/utxo`))
-                        Promise.all(promises).then(results => {
-                            let wifSeq = [];
-                            var trx = bitjs.transaction();
-                            for (floID in senders) {
-                                let utxos = results.shift();
-                                let sendAmt;
-                                if (preserveRatio) {
-                                    let ratio = (balance[floID] / totalBalance);
-                                    sendAmt = totalSendAmt * ratio;
+                                if (Array.isArray(options.sender)) {
+                                    let flag = false;
+                                    for (let vin of response.items[i].vin)
+                                        if (options.sender.includes(vin.addr)) {
+                                            flag = true;
+                                            break;
+                                        }
+                                    if (!flag) continue;
+                                }
+                                if (options.receivedOnly) {
+                                    let flag = false;
+                                    for (let vout of response.items[i].vout)
+                                        if (vout.scriptPubKey.addresses[0] === addr) {
+                                            flag = true;
+                                            break;
+                                        }
+                                    if (!flag) continue;
+                                }
+                                if (Array.isArray(options.receiver)) {
+                                    let flag = false;
+                                    for (let vout of response.items[i].vout)
+                                        if (options.receiver.includes(vout.scriptPubKey.addresses[0])) {
+                                            flag = true;
+                                            break;
+                                        }
+                                    if (!flag) continue;
+                                }
+                                if (options.filter && !options.filter(response.items[i].floData))
+                                    continue;
+
+                                if (options.tx) {
+                                    let d = {}
+                                    d.txid = response.items[i].txid;
+                                    d.time = response.items[i].time;
+                                    d.blockheight = response.items[i].blockheight;
+                                    d.data = response.items[i].floData;
+                                    filteredData.push(d);
                                 } else
-                                    sendAmt = senders[floID].coins + dividedFee;
-                                let wif = senders[floID].wif;
-                                let utxoAmt = 0.0;
-                                for (let i = utxos.length - 1;
-                                    (i >= 0) && (utxoAmt < sendAmt); i--) {
-                                    if (utxos[i].confirmations) {
-                                        trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i]
-                                            .scriptPubKey)
-                                        wifSeq.push(wif);
-                                        utxoAmt += utxos[i].amount;
-                                    }
-                                }
-                                if (utxoAmt < sendAmt)
-                                    return reject("Insufficient balance:" + floID);
-                                let change = (utxoAmt - sendAmt);
-                                if (change > 0)
-                                    trx.addoutput(floID, change);
+                                    filteredData.push(response.items[i].floData);
                             }
-                            for (floID in receivers)
-                                trx.addoutput(floID, receivers[floID]);
-                            trx.addflodata(floData.replace(/\n/g, ' '));
-                            for (let i = 0; i < wifSeq.length; i++)
-                                trx.signinput(i, wifSeq[i], 1);
-                            var signedTxHash = trx.serialize();
-                            this.broadcastTx(signedTxHash)
-                                .then(txid => resolve(txid))
-                                .catch(error => reject(error))
-                        }).catch(error => reject(error))
-                    }).catch(error => reject(error))
-                })
-            },
+                            resolve({
+                                totalTxs: response.totalItems,
+                                data: filteredData
+                            });
+                        }).catch(error => {
+                        reject(error);
+                    });
+                }).catch(error => {
+                    reject(error);
+                });
+            });
+        }
+    }
+</script>
+<script id="compactIDB" version="2.0.1">
+    /* Compact IndexedDB operations */
 
+    window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+    window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction;
+    window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;
 
+    if (!window.indexedDB)
+        window.alert("Your browser doesn't support a stable version of IndexedDB.")
 
+    const compactIDB = {
 
-            //Broadcast signed Tx in blockchain using API
-            broadcastTx: function (signedTxHash) {
-                return new Promise((resolve, reject) => {
-                    var request = new XMLHttpRequest();
-                    var url = this.util.serverList[this.util.curPos] + 'api/tx/send';
-                    console.log(url)
-                    if (signedTxHash.length < 1)
-                        reject("Empty Signature");
-                    else {
-                        var params = `{"rawtx":"${signedTxHash}"}`;
-                        request.open('POST', url, true);
-                        //Send the proper header information along with the request
-                        request.setRequestHeader('Content-type', 'application/json');
-                        request.onload = function () {
-                            if (request.readyState == 4 && request.status == 200) {
-                                console.log(request.response);
-                                resolve(JSON.parse(request.response).txid.result);
-                            } else
-                                reject(request.responseText);
+        setDefaultDB: function (dbName) {
+            this.defaultDB = dbName;
+        },
+
+        upgradeDB: function (dbName, createList = null, deleteList = null) {
+            return new Promise((resolve, reject) => {
+                this.getDBversion(dbName).then(version => {
+                    var idb = indexedDB.open(dbName, version + 1);
+                    idb.onerror = (event) => reject("Error in opening IndexedDB");
+                    idb.onupgradeneeded = (event) => {
+                        let db = event.target.result;
+                        if (createList instanceof Object) {
+                            if (Array.isArray(createList)) {
+                                let tmp = {}
+                                createList.forEach(o => tmp[o] = {})
+                                createList = tmp
+                            }
+                            for (let o in createList) {
+                                let obs = db.createObjectStore(o, createList[o].options ||
+                                    {});
+                                if (createList[o].indexes instanceof Object)
+                                    for (let i in createList[o].indexes)
+                                        obs.createIndex(i, i, createList[o].indexes || {});
+                            }
                         }
-                        request.send(params);
+                        if (Array.isArray(deleteList))
+                            deleteList.forEach(o => db.deleteObjectStore(o));
+                        resolve('Database upgraded')
                     }
-                })
-            },
+                    idb.onsuccess = (event) => event.target.result.close();
+                }).catch(error => reject(error))
+            })
+        },
 
+        initDB: function (dbName, objectStores = {}) {
+            return new Promise((resolve, reject) => {
+                if (!(objectStores instanceof Object))
+                    return reject('ObjectStores must be an object or array')
+                this.defaultDB = this.defaultDB || dbName;
+                var idb = indexedDB.open(dbName);
+                idb.onerror = (event) => reject("Error in opening IndexedDB");
+                idb.onsuccess = (event) => {
+                    var db = event.target.result;
+                    let cList = Object.values(db.objectStoreNames);
+                    var obs = {},
+                        a_obs = {},
+                        d_obs = [];
+                    if (!Array.isArray(objectStores))
+                        var obs = objectStores
+                    else
+                        objectStores.forEach(o => obs[o] = {})
+                    let nList = Object.keys(obs)
+                    for (let o of nList)
+                        if (!cList.includes(o))
+                            a_obs[o] = obs[o]
+                    for (let o of cList)
+                        if (!nList.includes(o))
+                            d_obs.push(o)
+                    if (!Object.keys(a_obs).length && !d_obs.length)
+                        resolve("Initiated IndexedDB");
+                    else
+                        this.upgradeDB(dbName, a_obs, d_obs)
+                        .then(result => resolve(result))
+                        .catch(error => reject(error))
+                    db.close();
+                }
+            });
+        },
+
+        openDB: function (dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                var idb = indexedDB.open(dbName);
+                idb.onerror = (event) => reject("Error in opening IndexedDB");
+                idb.onupgradeneeded = (event) => {
+                    event.target.result.close();
+                    this.deleteDB(dbName)
+                    reject("Datebase not found")
+                }
+                idb.onsuccess = (event) => resolve(event.target.result);
+            });
+        },
+
+        deleteDB: function (dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                var deleteReq = indexedDB.deleteDatabase(dbName);;
+                deleteReq.onerror = (event) => reject("Error deleting database!");
+                deleteReq.onsuccess = (event) => resolve("Database deleted successfully");
+            });
+        },
+
+        getDBversion: function (dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    resolve(db.version)
+                    db.close()
+                }).catch(error => reject(error))
+            })
+        },
+
+        writeData: function (obsName, data, key = false, dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+                    let writeReq = (key ? obs.put(data, key) : obs.put(data));
+                    writeReq.onsuccess = (evt) => resolve(`Write data Successful`);
+                    writeReq.onerror = (evt) => reject(
+                        `Write data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
+                    );
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        },
+
+        addData: function (obsName, data, key = false, dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+                    let addReq = (key ? obs.add(data, key) : obs.add(data));
+                    addReq.onsuccess = (evt) => resolve(`Add data successful`);
+                    addReq.onerror = (evt) => reject(
+                        `Add data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
+                    );
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        },
+
+        removeData: function (obsName, key, dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+                    let delReq = obs.delete(key);
+                    delReq.onsuccess = (evt) => resolve(`Removed Data ${key}`);
+                    delReq.onerror = (evt) => reject(
+                        `Remove data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
+                    );
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        },
+
+        clearData: function (obsName, dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+                    let clearReq = obs.clear();
+                    clearReq.onsuccess = (evt) => resolve(`Clear data Successful`);
+                    clearReq.onerror = (evt) => reject(`Clear data Unsuccessful`);
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        },
+
+        readData: function (obsName, key, dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readonly").objectStore(obsName);
+                    let getReq = obs.get(key);
+                    getReq.onsuccess = (evt) => resolve(evt.target.result);
+                    getReq.onerror = (evt) => reject(
+                        `Read data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
+                    );
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        },
+
+        readAllData: function (obsName, dbName = this.defaultDB) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readonly").objectStore(obsName);
+                    var tmpResult = {}
+                    let curReq = obs.openCursor();
+                    curReq.onsuccess = (evt) => {
+                        var cursor = evt.target.result;
+                        if (cursor) {
+                            tmpResult[cursor.primaryKey] = cursor.value;
+                            cursor.continue();
+                        } else
+                            resolve(tmpResult);
+                    }
+                    curReq.onerror = (evt) => reject(
+                        `Read-All data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
+                    );
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        },
+
+        /*searchData: function (obsName, options = {}, dbName = this.defaultDB) {
+            
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readonly").objectStore(obsName);
+                    var filteredResult = {}
+                    let keyRange;
+                    if(options.lowerKey!==null && options.upperKey!==null)
+                        keyRange = IDBKeyRange.bound(options.lowerKey, options.upperKey);
+                    else if(options.lowerKey!==null)
+                        keyRange = IDBKeyRange.lowerBound(options.lowerKey);
+                    else if (options.upperKey!==null)
+                        keyRange = IDBKeyRange.upperBound(options.upperBound);
+                    else if (options.atKey)
+                    let curReq = obs.openCursor(keyRange, )
+                }).catch(error => reject(error))
+            })
+        },*/
+
+        searchData: function (obsName, options = {}, dbName = this.defaultDB) {
+            options.lowerKey = options.atKey || options.lowerKey || 0
+            options.upperKey = options.atKey || options.upperKey || false
+            options.patternEval = options.patternEval || ((k, v) => {
+                return true
+            })
+            options.limit = options.limit || false;
+            options.lastOnly = options.lastOnly || false
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readonly").objectStore(obsName);
+                    var filteredResult = {}
+                    let curReq = obs.openCursor(
+                        options.upperKey ? IDBKeyRange.bound(options.lowerKey, options.upperKey) : IDBKeyRange.lowerBound(options.lowerKey),
+                        options.lastOnly ? "prev" : "next");
+                    curReq.onsuccess = (evt) => {
+                        var cursor = evt.target.result;
+                        if (cursor) {
+                            if (options.patternEval(cursor.primaryKey, cursor.value)) {
+                                filteredResult[cursor.primaryKey] = cursor.value;
+                                options.lastOnly ? resolve(filteredResult) : cursor.continue();
+                            } else
+                                cursor.continue();
+                        } else
+                            resolve(filteredResult);
+                    }
+                    curReq.onerror = (evt) => reject(`Search unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        }
+    }
+</script>
+<script>
+    /*FLO Web Wallet operations*/
+    floWebWallet = {
+
+        util: {
             //Get new Tx in blockchain since last sync using API
-            getNewTxs: function (addr, ignoreOld) {
+            getNewTxs: function(addr, ignoreOld) {
                 return new Promise((resolve, reject) => {
-                    this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
+                    floBlockchainAPI.readTxs(addr, 0, 1).then(response => {
                         var newItems = response.totalItems - ignoreOld;
                         if (newItems) {
-                            this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems * 2}`).then(response => {
-                                var filteredData = [];
-                                for (i = response.totalItems - ignoreOld - 1; i >= 0; i--) {
-                                    if (response.items[i].isCoinBase) {
-                                        var item = {
-                                            time: response.items[i].time,
-                                            txid: response.items[i].txid,
-                                            sender: '(mined)' + response.items[i].vin[0].coinbase,
-                                            receiver: addr,
-                                            floData: response.items[i].floData
-                                        }
-                                    } else {
-                                        var item = {
-                                            time: response.items[i].time,
-                                            txid: response.items[i].txid,
-                                            sender: response.items[i].vin[0].addr,
-                                            receiver: response.items[i].vout[0].scriptPubKey.addresses[0],
-                                            floData: response.items[i].floData
-                                        }
+                            floBlockchainAPI.readTxs(addr, 0, newItems * 2).then(response => {
+                                var filteredData = [];    
+                                for (i = 0; i < newItems; i++) {
+                                    var item = {
+                                        time: response.items[i].time,
+                                        txid: response.items[i].txid,
+                                        floData: response.items[i].floData
                                     }
-                                    filteredData.push(item);
+                                    if (response.items[i].isCoinBase) {
+                                        item.sender = '(mined)' + response.items[i].vin[0].coinbase;
+                                        item.receiver = addr;
+                                    } else {
+                                        item.sender = response.items[i].vin[0].addr;
+                                        item.receiver = response.items[i].vout[0].scriptPubKey.addresses[0];
+                                    }
+                                    filteredData.unshift(item);
                                 }
-                                resolve({ totalItems: response.totalItems, items: filteredData });
+                                resolve({
+                                    totalItems: response.totalItems,
+                                    items: filteredData
+                                });
                             }).catch(error => {
                                 reject(error);
                             });
                         } else
-                            resolve({ totalItems: response.totalItems, items: [] })
+                            resolve({
+                                totalItems: response.totalItems,
+                                items: []
+                            })
                     }).catch(error => {
                         reject(error);
                     });
                 });
             }
-        }
-    </script>
-    <script>
-        /* Compact IndexedDB operations */
+        },
 
-        window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
-        window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction;
-        window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;
+        //generate a new Address triplet : resolves Object(floID,pubKey,privKey)
+        generateNewAddr: function() {
+            return new Promise((resolve, reject) => {
+                try {
+                    var triplet = floCrypto.generateNewID();
+                    resolve(triplet);
+                } catch (error) {
+                    reject(error);
+                }
+            })
+        },
 
-        if (!window.indexedDB)
-            window.alert("Your browser doesn't support a stable version of IndexedDB.")
+        //recover triplet from given privKey : resolves Object(floID,pubKey,privKey)
+        recoverAddr: function(privKey) {
+            return new Promise((resolve, reject) => {
+                try {
+                    var triplet = {}
+                    triplet.privKey = privKey;
+                    triplet.pubKey = floCrypto.getPubKeyHex(triplet.privKey);
+                    triplet.floID = floCrypto.getFloID(triplet.pubKey);
+                    resolve(triplet);
+                } catch (error) {
+                    reject(error);
+                }
+            })
+        },
 
-        const compactIDB = {
+        //get balance of addr using API : resolves (balance)
+        getBalance: function(addr) {
+            return new Promise((resolve, reject) => {
+                floBlockchainAPI.getBalance(addr)
+                    .then(txid => resolve(txid))
+                    .catch(error => reject(error))
+            })
+        },
 
-            setDefaultDB: function (dbName) {
-                this.dbName = dbName;
-            },
+        //send transaction to the blockchain using API : resolves (txid)
+        sendTransaction: function(sender, receiver, amount, floData, privKey) {
+            return new Promise((resolve, reject) => {
+                floBlockchainAPI.sendTx(sender, receiver, amount, privKey, floData)
+                    .then(txid => resolve(txid))
+                    .catch(error => reject(error))
+            })
+        },
 
-            initDB: function (dbName, objectStores = {}) {
-                return new Promise((resolve, reject) => {
-                    this.dbName = this.dbName || dbName;
-                    var idb = indexedDB.open(dbName);
-                    idb.onerror = (event) => {
-                        reject("Error in opening IndexedDB!");
-                    };
-                    idb.onupgradeneeded = (event) => {
-                        var db = event.target.result;
-                        for (obs in objectStores) {
-                            var objectStore = db.createObjectStore(obs, objectStores[obs].options || {});
-                            if (objectStores[obs].indexes && typeof objectStores[obs].indexes === 'object')
-                                for (i in objectStores[obs].indexes)
-                                    objectStore.createIndex(i, i, objectStores[obs].indexes[i] || {});
-                        }
-                    }
-                    idb.onsuccess = (event) => {
-                        var db = event.target.result;
-                        if (JSON.stringify(Object.values(db.objectStoreNames).sort()) === JSON.stringify(Object.keys(
-                            objectStores).sort()))
-                            resolve("Initiated IndexedDB");
-                        else
-                            reject("IndexedDB already exist with different ObjectStores!");
-                        db.close();
-                    }
-                });
-            },
-
-            openDB: function (dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    var idb = indexedDB.open(dbName);
-                    idb.onerror = (event) => reject("Error in opening IndexedDB!");
-                    idb.onsuccess = (event) => resolve(event.target.result);
-                });
-            },
-
-            deleteDB: function (dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    var deleteReq = indexedDB.deleteDatabase(dbName);;
-                    deleteReq.onerror = (event) => reject("Error deleting database!");
-                    deleteReq.onsuccess = (event) => resolve("Database deleted successfully");
-                });
-            },
-
-            writeData: function (obsName, data, key = false, dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    this.openDB(dbName).then(db => {
-                        var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
-                        let writeReq = (key ? obs.put(data, key) : obs.put(data));
-                        writeReq.onsuccess = (evt) => resolve(`Write data Successful`);
-                        writeReq.onerror = (evt) => reject(
-                            `Write data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                        db.close();
-                    }).catch(error => reject(error));
-                });
-            },
-
-            addData: function (obsName, data, key = false, dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    this.openDB(dbName).then(db => {
-                        var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
-                        let addReq = (key ? obs.add(data, key) : obs.add(data));
-                        addReq.onsuccess = (evt) => resolve(`Add data successful`);
-                        addReq.onerror = (evt) => reject(
-                            `Add data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                        db.close();
-                    }).catch(error => reject(error));
-                });
-            },
-
-            removeData: function (obsName, key, dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    this.openDB(dbName).then(db => {
-                        var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
-                        let delReq = obs.delete(key);
-                        delReq.onsuccess = (evt) => resolve(`Removed Data ${key}`);
-                        delReq.onerror = (evt) => reject(
-                            `Remove data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                        db.close();
-                    }).catch(error => reject(error));
-                });
-            },
-
-            readData: function (obsName, key, dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    this.openDB(dbName).then(db => {
-                        var obs = db.transaction(obsName, "readonly").objectStore(obsName);
-                        let getReq = obs.get(key);
-                        getReq.onsuccess = (evt) => resolve(evt.target.result);
-                        getReq.onerror = (evt) => reject(
-                            `Read data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                        db.close();
-                    }).catch(error => reject(error));
-                });
-            },
-
-            readAllData: function (obsName, dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    this.openDB(dbName).then(db => {
-                        var obs = db.transaction(obsName, "readonly").objectStore(obsName);
-                        var tmpResult = {}
-                        let curReq = obs.openCursor();
-                        curReq.onsuccess = (evt) => {
-                            var cursor = evt.target.result;
-                            if (cursor) {
-                                tmpResult[cursor.primaryKey] = cursor.value;
-                                cursor.continue();
-                            } else
-                                resolve(tmpResult);
-                        }
-                        curReq.onerror = (evt) => reject(
-                            `Read-All data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                        db.close();
-                    }).catch(error => reject(error));
-                });
-            },
-
-            searchData: function (obsName, patternEval, dbName = this.dbName) {
-                return new Promise((resolve, reject) => {
-                    this.openDB(dbName).then(db => {
-                        var obs = db.transaction(obsName, "readonly").objectStore(obsName);
-                        var filteredResult = {}
-                        let curReq = obs.openCursor();
-                        curReq.onsuccess = (evt) => {
-                            var cursor = evt.target.result;
-                            if (cursor) {
-                                if (patternEval(cursor.primaryKey, cursor.value))
-                                    filteredResult[cursor.primaryKey] = cursor.value;
-                                cursor.continue();
-                            } else
-                                resolve(filteredResult);
-                        }
-                        curReq.onerror = (evt) => reject(
-                            `Search unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
-                        db.close();
-                    }).catch(error => reject(error));
-                });
-            }
-        }
-    </script>
-    <script>
-        /*FLO Web Wallet operations*/
-        floWebWallet = {
-
-            //generate a new Address triplet : resolves Object(floID,pubKey,privKey)
-            generateNewAddr: function () {
-                return new Promise((resolve, reject) => {
-                    try {
-                        var triplet = floCrypto.generateNewID();
-                        resolve(triplet);
-                    } catch (error) {
-                        reject(error);
-                    }
-                })
-            },
-
-            //recover triplet from given privKey : resolves Object(floID,pubKey,privKey)
-            recoverAddr: function (privKey) {
-                return new Promise((resolve, reject) => {
-                    try {
-                        var triplet = {}
-                        triplet.privKey = privKey;
-                        triplet.pubKey = floCrypto.getPubKeyHex(triplet.privKey);
-                        triplet.floID = floCrypto.getFloIDfromPubkeyHex(triplet.pubKey);
-                        resolve(triplet);
-                    } catch (error) {
-                        reject(error);
-                    }
-                })
-            },
-
-            //get balance of addr using API : resolves (balance)
-            getBalance: function (addr) {
-                return new Promise((resolve, reject) => {
-                    floBlockchainAPI.getBalance(addr)
-                        .then(txid => resolve(txid))
-                        .catch(error => reject(error))
-                })
-            },
-
-            //send transaction to the blockchain using API : resolves (txid)
-            sendTransaction: function (sender, receiver, amount, floData, privKey) {
-                return new Promise((resolve, reject) => {
-                    floBlockchainAPI.sendTx(sender, receiver, amount, privKey, floData)
-                        .then(txid => resolve(txid))
-                        .catch(error => reject(error))
-                })
-            },
-
-            //sync new transactions from blockchain using API and stores in IDB : resolves Array(newItems)
-            syncTransactions: function (addr) {
-                return new Promise((resolve, reject) => {
-                    compactIDB.readData('lastSync', addr).then(lastSync => {
-                        lastSync = lastSync | 0;
-                        floBlockchainAPI.getNewTxs(addr, lastSync).then(APIresult => {
-                            compactIDB.readData('transactions', addr).then(IDBresult => {
-                                if (IDBresult === undefined)
-                                    var promise1 = compactIDB.addData('transactions', APIresult.items, addr)
-                                else
-                                    var promise1 = compactIDB.writeData('transactions', IDBresult.concat(APIresult.items), addr)
-                                var promise2 = compactIDB.writeData('lastSync', APIresult.totalItems, addr)
-                                Promise.all([promise1, promise2]).then(values => resolve(APIresult.items))
-                            })
+        //sync new transactions from blockchain using API and stores in IDB : resolves Array(newItems)
+        syncTransactions: function(addr) {
+            return new Promise((resolve, reject) => {
+                compactIDB.readData('lastSync', addr).then(lastSync => {
+                    lastSync = lastSync | 0;
+                    this.util.getNewTxs(addr, lastSync).then(APIresult => {
+                        compactIDB.readData('transactions', addr).then(IDBresult => {
+                            if (IDBresult === undefined)
+                                var promise1 = compactIDB.addData('transactions', APIresult.items, addr)
+                            else
+                                var promise1 = compactIDB.writeData('transactions', IDBresult.concat(APIresult.items), addr)
+                            var promise2 = compactIDB.writeData('lastSync', APIresult.totalItems, addr)
+                            Promise.all([promise1, promise2]).then(values => resolve(APIresult.items))
                         })
-                    }).catch(error => reject(error))
-                })
-            },
+                    })
+                }).catch(error => reject(error))
+            })
+        },
 
-            //read transactions stored in IDB : resolves Array(storedItems)
-            readTransactions: function (addr) {
-                return new Promise((resolve, reject) => {
-                    compactIDB.readData('transactions', addr)
-                        .then(IDBresult => resolve(IDBresult))
-                        .catch(error => reject(error))
-                })
-            },
+        //read transactions stored in IDB : resolves Array(storedItems)
+        readTransactions: function(addr) {
+            return new Promise((resolve, reject) => {
+                compactIDB.readData('transactions', addr)
+                    .then(IDBresult => resolve(IDBresult))
+                    .catch(error => reject(error))
+            })
+        },
 
-            //get address-label pairs from IDB : resolves Object(addr:label)
-            getLabels: function () {
-                return new Promise((resolve, reject) => {
-                    compactIDB.readAllData('labels')
-                        .then(IDBresult => resolve(IDBresult))
-                        .catch(error => reject(error))
-                })
-            }
+        //get address-label pairs from IDB : resolves Object(addr:label)
+        getLabels: function() {
+            return new Promise((resolve, reject) => {
+                compactIDB.readAllData('labels')
+                    .then(IDBresult => resolve(IDBresult))
+                    .catch(error => reject(error))
+            })
         }
+    }
 
-        function onLoadStartUp() {
-            var IDBObjects = {
-                lastSync: {},
-                labels: {},
-                transactions: {}
-            }
-            compactIDB.initDB("FLOwebWallet", IDBObjects)
-                .then(result => console.log(result))
-                .catch(error => console.log(error))
-
-            createAllCards();
-            setElements();
+    function onLoadStartUp() {
+        var IDBObjects = {
+            lastSync: {},
+            labels: {},
+            transactions: {}
         }
-    </script>
+        compactIDB.initDB("FLOwebWallet", IDBObjects)
+            .then(result => console.log(result))
+            .catch(error => console.log(error))
+
+        createAllCards();
+        setElements();
+    }
+</script>
 </body>
