<p><img src="https://images.cointelegraph.com/cdn-cgi/image/format=auto,onerror=redirect,quality=90,width=840/https://s3.cointelegraph.com/uploads/2023-06/4ce69648-e2fb-47cd-9f2b-0f054d63916f.jpg"></p><p>Casa has added Etheruem support to its self-custody storage solutions, providing multi-signature security for BTC and ETH.</p>