Marathon Digital Holdings Inc (NASDAQ:MARA) CEO Fred Thiel, has warned that Joe Biden’s tax on American Bitcoin (CRYPTO: BTC) miners will likely cause them to move their operations out of the country instead of generating intended funds. What Happened: Speaking on the fringes of the Bitcoin 2023 conference in Miami on Thursday said: “Bitcoin miners will just leave the U.S., which is really what they’re trying to,” as quoted by The Block.