<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjMtMDMvYWJkMjRlNjktYjRmMy00NjM0LTkyMjUtY2QyNzE4NGU4MTBmLmpwZw==.jpg"></p><p>The fraudsters would normally exploit the smart contracts to allow for the approval of unauthorized transactions. </p>