{"type":"rich","version":"1.0","title":"jb55 wrote","author_name":"jb55 (npub1xt…vkk5s)","author_url":"https://yabu.me/npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s","provider_name":"njump","provider_url":"https://yabu.me","html":"anyone have a good idea on how to make hashes of phone numbers rainbow-table resistant? Trying to think of a way to find friends on nostr by phone number but without leaking the number. maybe argon2(first name + number) ?\n\nWe should spec this if so."}