Oddbean new post about | logout
 While it's not possible today the idea is good and I believe a new standard is being worked on. 

The "recall" of key you mention would need support on protocol level.  
β–² β–Ό
 well to be honest i really don't understand most of the this i put on the question. Just thinking of people like me that probably wanna try nostr but will not like the  "you have one chance and if you made a mistake you lose the account".

the npub/nsec really allow the user to use a decentralized protocol but it looks like custodials password manager need to be explored even if that means reduce the decentralization uses cases. 

It's like goes in a direction that go against everything bitcoin is. Not your key, not your bitcoin.