You mean sign in for a website? Check out this:
https://github.com/nostrband/nostr-login
Don't ₿elieve the Hype 🦊
npub1nx…aa6q8
2024-08-02 10:06:30
in reply to nevent1q…46ye
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npub1nxa4tywfz9nqp7z9zp7nr7d4nchhclsf58lcqt5y782rmf2hefjquaa6q8