Imagine an end-to-end encrypted Nostr key custodian, so users that are intimidated by keypairs could have a familiar login with email and password.
Discussion
nostr:note1p4rt4ln9x8p5tag2fsakjxtp20tra9yqw58537fe9aq9hvyvwg0sc32mu0
This sounds like what is needed for key management, because traditional account management with passwords has a option for those who forget their password to create a new one and still login to their account.