diff --git a/src/js/apiwrapper/transaction/TransactionSettings.js b/src/js/apiwrapper/transaction/TransactionSettings.js
index fd54394..ddba644 100644
--- a/src/js/apiwrapper/transaction/TransactionSettings.js
+++ b/src/js/apiwrapper/transaction/TransactionSettings.js
@@ -31,6 +31,12 @@ export default class TransactionSettings extends Serializable{
      */
     apiID = "";
 
+    /**
+     * creation time
+     * @type {number}
+     */
+    timestamp = 0;
+
     /**
      * @param {number} price default 0
      * @param {number} quantity default 0
@@ -39,6 +45,7 @@ export default class TransactionSettings extends Serializable{
         super();
         this.orderPrice = price;
         this.orderQuantity = quantity;
+        this.timestamp = Date.now();
     }
 
     /**
@@ -51,6 +58,7 @@ export default class TransactionSettings extends Serializable{
         obj.quantity = this.quantity;
         obj.price = this.price;
         obj.apiID = this.apiID;
+        obj.timestamp = this.timestamp;
         
         return JSON.stringify(obj);
     }
@@ -68,6 +76,7 @@ export default class TransactionSettings extends Serializable{
         obj.quantity = tmpObj.quantity;
         obj.price = tmpObj.price;
         obj.apiID = tmpObj.apiID;
+        obj.timestamp = tmpObj.timestamp;
 
         return obj;
     }