<https://cointradecx.blog/bitcoin/voce-sabe-o-que-sao-os-contratos-futuros-com-bitcoin/>
<http://schema.org/datePublished>
"2019-12-06T17:03:42+00:00"^^<http://schema.org/Date>
<https://cointradecx.blog/bitcoin/voce-sabe-o-que-sao-os-contratos-futuros-com-bitcoin/>