[River Holds 437 BTC, Becoming the 9th Largest Private BTC Treasury Holder] Odaily Planet Daily News: U.S.-based Bitcoin-exclusive exchange River has disclosed that its corporate balance sheet holds 437 BTC, making it the 9th largest private BTC treasury holder. It also custodies over 25,000 BTC for its clients, with a proven reserve ratio exceeding 100%. (BitcoinTreasuries)