diff --git a/standard_Operations.html b/standard_Operations.html
index d6b84c1..ea45145 100644
--- a/standard_Operations.html
+++ b/standard_Operations.html
@@ -7292,7 +7292,7 @@ Bitcoin.Util = {
         }
     }
 </script>
-<script id="floBlockchainAPI" version="2.0.1a">
+<script id="floBlockchainAPI" version="2.0.1b">
     /* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
     const floBlockchainAPI = {
 
@@ -7691,13 +7691,18 @@ Bitcoin.Util = {
         limit       : maximum number of filtered data (default = 1000, negative  = no limit)
         ignoreOld   : ignore old txs (default = 0)
         sentOnly    : filters only sent data
-        pattern     : filters data that starts with a pattern
-        contains    : filters data that contains a string
+        receivedOnly: filters only received data
+        pattern     : filters data that with JSON pattern
         filter      : custom filter funtion for floData (eg . filter: d => {return d[0] == '$'})
+        txid        : (boolean) resolve txid or not
+        sender      : flo-id(s) of sender
+        receiver    : flo-id(s) of receiver
         */
         readData: function(addr, options = {}) {
             options.limit = options.limit || 0
             options.ignoreOld = options.ignoreOld || 0
+            if (typeof options.sender === "string") options.sender = [options.sender];
+            if (typeof options.receiver === "string") options.receiver = [options.receiver];
             return new Promise((resolve, reject) => {
                 this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
                     var newItems = response.totalItems - options.ignoreOld;
@@ -7708,8 +7713,6 @@ Bitcoin.Util = {
                             var filteredData = [];
                             for (i = 0; i < (response.totalItems - options.ignoreOld) &&
                                 filteredData.length < options.limit; i++) {
-                                if (options.sentOnly && response.items[i].vin[0].addr !== addr)
-                                    continue;
                                 if (options.pattern) {
                                     try {
                                         let jsonContent = JSON.parse(response.items[i].floData)
@@ -7719,9 +7722,45 @@ Bitcoin.Util = {
                                         continue;
                                     }
                                 }
+                                if (options.sentOnly) {
+                                    let flag = false;
+                                    for (let vin of response.items[i].vin)
+                                        if (vin.addr === addr) {
+                                            flag = true;
+                                            break;
+                                        }
+                                    if (!flag) continue;
+                                }
+                                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;
-                                filteredData.push(response.items[i].floData);
+                                filteredData.push(options.txid ? [response.items[i].txid, response.items[i].floData] : response.items[i].floData);
                             }
                             resolve({
                                 totalTxs: response.totalItems,