diff --git a/scripts/btcOperator.js b/scripts/btcOperator.js
index d452bf4..29a5147 100644
--- a/scripts/btcOperator.js
+++ b/scripts/btcOperator.js
@@ -1,4 +1,4 @@
-(function (EXPORTS) { //btcOperator v1.1.4
+(function (EXPORTS) { //btcOperator v1.1.4a
     /* BTC Crypto and API Operator */
     const btcOperator = EXPORTS;
 
@@ -462,6 +462,7 @@
                 n: u.tx_output_n,
                 value: u.value,
                 value_hex: u.value_hex,
+                confirmations: u.confirmations,
                 script: u.script
             })))
         }).catch(error => reject(error))
diff --git a/scripts/floCrypto.js b/scripts/floCrypto.js
index f1e14d3..d59f757 100644
--- a/scripts/floCrypto.js
+++ b/scripts/floCrypto.js
@@ -1,4 +1,4 @@
-(function (EXPORTS) { //floCrypto v2.3.6a
+(function (EXPORTS) { //floCrypto v2.3.6b
     /* FLO Crypto Operators */
     'use strict';
     const floCrypto = EXPORTS;
@@ -121,6 +121,7 @@
 
     //Sign data using private-key
     floCrypto.signData = function (data, privateKeyHex) {
+        if (typeof privateKeyHex !== "string") throw new Error("No private key found.");
         var key = new Bitcoin.ECKey(privateKeyHex);
         var messageHash = Crypto.SHA256(data);
         var messageSign = Bitcoin.ECDSA.sign(messageHash, key.priv);