Matthew Heard, a software engineer from San Jose, is worried about his 33 bitcoin mining machines in Kazakhstan. In the past week, they kept getting shut off in an attempt by the national grid to limit the power being used by crypto miners.
“It has been days since my machines have been online,” he said. “During the last week, even if my machines do come on, they barely stay on.”
Kazakhstan has been struggling to cope with the huge popularity of crypto mining, driven this year partly by the steep rise in value of cryptocurrencies and partly by a mass migration of miners to its borders after China made mining illegal in May.
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