[BitRiver Founder Faces Bankruptcy Filing, Involving 773 Million Ruble Debts] Promsviazi Bank has filed for bankruptcy against BitRiver founder Igor Runets with the Sverdlovsk Oblast Arbitration Court, involving debts of approximately 773 million rubles. Promsviazi Bank Vice Chairman Mikhail Dorofeev confirmed that Igor Runets provided personal guarantees for loans to BitRiver-B, and due to the borrower's default, the bank is demanding he assume joint liability for repayment. Igor Runets was placed under house arrest in February 2026 for allegedly concealing funds or assets. Several BitRiver subsidiaries are involved in the lawsuit, with some already in bankruptcy watch. (Source: Kommersant)