Proof-of-bitcoin identity anchoring:

nostr:nevent1qqswq6v7exjd907zns3mlukkrez9w9e8lhured35y90896fsfqyh9fqpz3mhxw309akx7cmpd35x7um58g6rsd3e9upzps0f4va9dg4tdjjta06yafjt9ldyptrrz85gdw5xk3jjz6wt266rqvzqqqqqqypu8gry