<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDIvODgyOGJhYzctZDlmOS00YmE5LThjMTItNDU1NWI4NTI1OTVkLmpwZw==.jpg"></p><p>A Hong Kong-based crypto exchange has suspended withdrawals for at least three days without warning.</p>