This proposal brings subordinate keys (nsub) and revocable delegation proofs to Nostr, delivering enhanced security and scalability for key management. 🌐check out the article，written by nostr:npub1gkgyk28lurjuhyfjlxsga9mw6lc0c47c8pmcr65usre9d3qjcx6q9cyk5m nostr:naddr1qqnyuj2s95unjwfe94c8yefdv9k8q6rp94nx7u3dvejk2erzv93kkttgd3cnqef4qgsytyzt9rl7pewtjye0ngywjahd0u8u2lvrsaupa2wgpujkcsfvrdqrqsqqqa280j9mqg