Dorsey, Saylor, Fidelity write to EPA to defend bitcoin mining

These machines, known as mining rigs, work around the clock to find new cryptocurrency units. Benjamin Halle | CNBC Some of the biggest names in bitcoin — including Jack Dorsey, Tom Lee, and Michael Saylor — have joined forces to refute claims by House Democrats who have called on the Environmental Protection Agency to investigate … اقرأ المزيد