<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDYvMzdiZDJhYmQtODA3Zi00Y2JjLWJkYzctZWQ4NzE1MjliYTYzLmpwZw==.jpg"></p><p>Smart contracts are no longer the biggest concern, as hackers are vying for easier targets, such as private key leaks.</p>