<https://www.bitcoinlinux.com/2018/07/11/blockchain-world-conference-to-host-worlds-first-crypto-poker-tournament/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.bitcoinlinux.com/2018/07/11/blockchain-world-conference-to-host-worlds-first-crypto-poker-tournament/>