Jack Dorsey, the billionaire founder of tech firms Twitter and Square, is still bullish on the world's most valuable cryptocurrency. Dorsey said in a tweet ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.cnbc.com/2019/02/06/jack-dorsey-says-the-only-cryptocurrency-he-owns-is-bitcoin.html&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHmU6J21pQJ4hIF7yTtBpGk4MT0QQ
