Is Crypto Mining Driving Up Power Costs For U.S. Consumers?

A group of Democratic lawmakers, led by Senator Elizabeth Warren, demand that six major cryptocurrency mining companies detail their high energy usage, the possible impact on the environment, and the role in driving up power bills for U.S. consumers.     Riot Blockchain, Marathon Digital Holdings, Stronghold Digital Mining, Bitdeer, Bitfury Group, and Bit Digital were sent letters by the lawmakers, who were concerned about “their extraordinarily high energy usage,” Senator Warren said on Thursday. In the letters, the…