Bitcoin FAQ: A detailed guide to cryptocurrency and why senators are fighting about how to tax it in the infrastructure bill

Some firms and entrepreneurs operate massive crypto mines for a better chance at grabbing a larger share of new coins entering circulation. Riot Blockchain, a public American company, is thought to run one of the world’s largest. The firm’s 190,000-square-foot facility is in Rockdale, Tex., a town with a population of about 5,800 and cheap electricity access that has welcomed cryptocurrency investment.