BitRiver, Russia’s largest crypto mining firm, is facing potential bankruptcy after a regional arbitration court opened insolvency supervision proceedings against its controlling shareholder. Igor Runets, BitRiver’s founder and chief executive, was reportedly placed under house arrest on tax evasion charges after a Moscow district court issued a ruling last week. Proceedings that would evaluate BitRiver were initiated by the Arbitration Court of Sverdlovsk Oblast, which on January 27 opened bankruptcy o ...