<https://blogtienao.com/cang-chinh-phu-anh-ra-lenh-dong-cua-ngay-tat-ca-san-giao-dich-crypto-khong-giay-phep/#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blogtienao.com/cang-chinh-phu-anh-ra-lenh-dong-cua-ngay-tat-ca-san-giao-dich-crypto-khong-giay-phep/>