Bitcoin’s new puzzle: How to ditch fossil fuels and go green


When bitcoin was first invented it was possible to solve the puzzles using a regular home computer, but the technology was designed so problems become harder to solve as more miners work on them. Those mining today use specialised machines that have no monitors and look more like a high-tech fan than a traditional computer. — AFP Relaxnews

HELENA, Montana: For the past year a company that “mines” cryptocurrency had what seemed the ideal location for its thousands of power-thirsty computers working around the clock to verify bitcoin transactions: the grounds of a coal-fired power plant in rural Montana.

But with the cryptocurrency industry under increasing pressure to rein in the environmental impact of its massive electricity consumption, Marathon Digital Holdings made the decision to pack up its computers, called miners, and relocate them to a wind farm in Texas.

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