Colorado-based Bitcoin mining company Riot Blockchain will launch a fully-regulated cryptocurrency exchange in the United States by the end of ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.financemagnates.com/cryptocurrency/news/riot-blockchains-us-focused-crypto-exchange-to-launch-by-july/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHr8zRa2lFGWYlXZuFho1X0pie_Qw
