Nostr key management can be upgraded with so many innovations Bitcoin already uses, 2 of 3 key auth and hardware management. The nostr:nprofile1qqs9mvjd9uym8ey4w5vevlrxqfesm666cm6su27svcwqfvj8ztvhlgs0ejj6h experience comes to mind, one key has limited permissions while 2 of 3 can change those permis...