How is Nostr a Lightning address book? If I want to send nostr:npub1jk9h2jsa8hjmtm9qlcca942473gnyhuynz5rmgve0dlu6hpeazxqc3lqz7 some sats, I don't have to ask him for an invoice, I don't have to ask him for his LN address. I just search for his profile and Zap him.

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