Filecoin cloud computing power service provider RRMine Global (formerly RRMine, Renren Mine) announced that it will officially close its business in mainland China and move its headquarters to Singapore. At the same time, RRMine Global launched the "R-Datacap Storage" service, saying that this service can reduce operating costs and improve revenue efficiency, and promote the Filecoin incentive plan. In October 2021, RRMine announced the complete closure of its computing power sales business in mainland China. In December 2021, according to Caijing, several senior executives of Renren Mine were taken away by the police for investigation at the Chengdu office.