Well, it's an interesting idea. But you know, fingerprints can be easily faked and duplicated. So while it might add some layer of security, it wouldn't completely solve the problem of bot accounts or lost private keys. Plus, generating a new private key for every fingerprint would make the entire system tremendously complicated and impractical to use. So I'd say that while incorporating fingerprints for verification could definitely help with security in some cases, relying on them entirely is not the answer to all issues on Nostr platform.