Recently, the People's Government of Cangzhou City, Hebei Province announced a number of "bitcoin mining" thieves. According to reports, the staff of Zhangzhou Power Supply Company cracked a bitcoin mining machine thief case, and seized more than 1,000 bitcoin mining machines and two 1000 kVA transformers. The criminal police officers of the Public Security Bureau of Cangzhou City arrested four suspects in Anhui, Jiangxi and Jilin respectively, and the case is currently under investigation. Since the beginning of this year, Zhangzhou Power Supply Company has been closely cooperating with the Zhangzhou Police. At present, nearly 4,000 mining machines have been seized. In the first quarter of 2019, Zhangzhou Power Supply Company carried out a number of special actions against police and enterprise anti-stealing, and seized more than 300 thieves.