<p><img src="https://images.cointelegraph.com/cdn-cgi/image/format=auto,onerror=redirect,quality=90,width=840/https://s3.cointelegraph.com/uploads/2023-05/4f0e325c-9118-4837-af9e-33b1ec9b95e2.jpg"></p><p>Security expert Jameson Lopp said some users lost Ethereum tokens because of the lack of a secure storage method.</p>