Every night, the nurse anesthetist Cheryl Shadden lies awake in her home in Granbury, Texas, listening to a nonstop roar. “It’s like sitting on the runway of an airport where jets are taking off, one after another,” she says. “You can’t speak to somebody five feet away and have them hear you at all.”
The noise comes from a nearby bitcoin-mining operation, which set up shop at a power plant in Granbury last year. Since then, residents in the surrounding area have complained
