OzzyHB on Nostr: 100% this. Its the same reason I don't play with nostr apps, clients etc.. I'd love ...

100% this. Its the same reason I don't play with nostr apps, clients etc.. I'd love to have my Nostr nsec on, say, a cold card. Creating sub keys now and again, and being able to trash them and create new in the case ifva hack etc..