Chinese school principal sacked over secret campus cryptocurrency scam

The nine machines, running 24 hours a day began to strain the school

A school principal has been sacked and his deputy disciplined for secretly mining digital currency on campus, racking up thousands of dollars in power bills for the school.

Lei Hua, principal of the Puman Middle School in Chenzhou, Hunan province, decided in June last year to mine Ethereum, a type of cryptocurrency.