The Coinbase logo on a laptop computer arranged in Hastings-on-Hudson, New York, U.S., on Tuesday, Jan. 5, 2021. Coinbase Inc. knew cryptocurrency XRP was a security rather than a commodity and ...

Brian Armstrong, Coinbase's billionaire cofounder and CEO, started the company with Fred Ehrsham in 2012. Riding the wave of bitcoin’s 300% rise last year, cryptocurrency trading platform Coinbase is ...