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A Chinese headmaster has been fired after a secret stack of crypto-currency mining machines was found connected to his school's electricity supply.Teachers at the school in Hunan became suspicious of a whirring noise that continued day and night, local media report.
The deputy headmaster also became involved in the scheme and allegedly acquired a ninth machine for himself in January, which was also installed at the school. The computer network in the building became overloaded as a result of the mining activity, according to reports, and this "interfered" with teaching. The headmaster was fired in October and his deputy received an official warning. A local authority responsible for "discipline inspection" has claimed the money that was made through the mining activities. "The noise and heat of nine actively running mining machines would have been very noticeable," said Matthew Hickey, a cyber-security expert at Hacker House.
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