Well this isn’t the one I was thinking of but nostr:npub1m0str0d7z2ww8rdh20t2n9lx520xjwhaq24p68umqp06wwrwtsnqen40un is nostr-based 

nostr:note1q6rmagn7ec6qtf7xy0zakgdcqsyq7t5h4nypfw00sewlzgzcv3csw2q0zu