<https://www.btcsoul.com/noticias/american-express-testa-blockchain-gerenciamento-programas-fidelidade/#article>
<http://schema.org/author>
<https://www.btcsoul.com/author/chrys/#author>
<https://www.btcsoul.com/noticias/american-express-testa-blockchain-gerenciamento-programas-fidelidade/>