diff --git a/src/Chat/Helper/ChatIDGenerator.cpp b/src/Chat/Helper/ChatIDGenerator.cpp
new file mode 100644
index 0000000..2acea1b
--- /dev/null
+++ b/src/Chat/Helper/ChatIDGenerator.cpp
@@ -0,0 +1,28 @@
+#include "ChatIDGenerator.h"
+
+ChatIDGenerator* ChatIDGenerator::getInstance()
+{
+    if(ChatIDGenerator::instance == nullptr)
+        ChatIDGenerator::instance = new ChatIDGenerator();
+
+    return ChatIDGenerator::instance;
+}
+
+QString ChatIDGenerator::generateID(ChatItem item)
+{
+    QString key = QString::number(item.getTimestamp()) + QString("-");
+    key += QString(
+        QCryptographicHash::hash(
+            QString(
+                QString::number(item.getTimestamp()) +
+                item.getAddress() +
+                item.getContact() +
+                item.getMemo()
+            ).toUtf8(),
+            QCryptographicHash::Md5
+        ).toHex()
+    );
+    return key;
+}
+
+ChatIDGenerator* ChatIDGenerator::instance = nullptr;
\ No newline at end of file
diff --git a/src/Chat/Helper/ChatIDGenerator.h b/src/Chat/Helper/ChatIDGenerator.h
new file mode 100644
index 0000000..d9f6e4a
--- /dev/null
+++ b/src/Chat/Helper/ChatIDGenerator.h
@@ -0,0 +1,18 @@
+#ifndef CHATIDGENERATOR_H
+#define CHATIDGENERATOR_H
+
+#include <QString>
+#include <QUuid>
+#include "../../Model/ChatItem.h"
+
+class ChatIDGenerator
+{
+    private:
+        static ChatIDGenerator* instance;
+
+    public:
+        static ChatIDGenerator* getInstance();
+        QString generateID(ChatItem item);
+};
+
+#endif
\ No newline at end of file
diff --git a/src/controller.cpp b/src/controller.cpp
index 36bc6d1..ecc487a 100644
--- a/src/controller.cpp
+++ b/src/controller.cpp
@@ -999,7 +999,6 @@ void Controller::refreshTransactions() {
                             );
                     //DataStore::getChatDataStore()->setData(chatModel->generateChatItemID(item), item);
                     DataStore::getChatDataStore()->setData(ChatIDGenerator::getInstance()->generateID(item), item);
-
                  } 
             }