Bulgarian Electricity Company Unveils Details of Historic Power Theft Linked to Illegal Bitcoin Mining One of the largest exporters of electricity in Europe has revealed details of the most significant theft they have had in history, linked to a massive illegal bitcoin mining farm in a small Bulgarian village. Bulgarian Electricity Company Uncovers Massive Electricity Theft Linked to Illegal Bitcoin Mining According to Vesti, CEZ Group and police in Bulgaria started conducting investigations on Dec. 12 in the village of Herakovo, municipality of Bozhurishte, due to growing reports of anomalies in the electricity supply. What the authorities found, the report said, was that a massive bitcoin mining farm was draining almost the entire medium-voltage network of the electricity company, as the miners installed transformers in a building that powered over 1,000 ASIC machines to mine crypto.