Cryptographic key management is a hard thing for the masses. Biggest problem is losing the key. Also how to sync the key between devices. Not get tricked into

Cryptographic key management is a hard thing for the masses. Biggest problem is losing the key. Also how to sync the key between devices. Not get tricked into giving it away. Best case might be a authenticator type of app piggy backing on your phones physical and electronic security. Most people look after their phones. Then maybe they back up somewhere else.