What is Nostr?
Math Tutor
Public Key
npub15um53kh3kwwujkvyehehmfjs6lvrpvqe3tnllugwhr3y0aadsacqdvt3tx
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nprofile1qqs2wd6gmtcm88wftxzvmuma5egd0kpskqvc4ell7y8t3cj877kcwuqvjvu95
Author Public Key
npub15um53kh3kwwujkvyehehmfjs6lvrpvqe3tnllugwhr3y0aadsacqdvt3tx