<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMTEvODI5Njk3YjUtMzEwMS00YTcyLWJkMGQtM2ZhYmQyZjM3ZjZjLmpwZw==.jpg"></p><p>On-chain activity suggests that the hacker has sent at least 225 BTC (4.5 million) to OKX so far. </p>