Malaysia’s national utility firm Tenaga Nasional Bhd (TNB) has incurred losses of more than US$1 billion from illegal power usage by cryptocurrency miners between 2020 and August this year, the energy ministry said.TNB found that 13,827 premises had illegally used power to mine cryptocurrency over the period, the energy and water transformation ministry said in a written parliamentary reply dated Tuesday.The illegal use of electricity for cryptocurrency mining, particularly for bitcoin, has...