"Johor police chief: TNB lost RM8.6m to alleged electricity theft by bitcoin mining syndicate | Malay Mail". www.malaymail.com. Retrieved 2021-08-31. ↑ "Take a look inside this underground crypto mining farm in Ukraine with its 3,800 PlayStations and 5,000 computers". news.yahoo.com. Retrieved 2021-08-31. ↑ "Police steamroll 1,000 bitcoin mines after 'electricity theft' prompts power outages". finance.yahoo.com.