River estimates about 825,000 people worldwide own at least one whole bitcoin, versus roughly 57.5 million millionaires. According to BeInCrypto, the Bitcoin financial services firm built the figure from blockchain data and adjusted for exchange custody, corporate treasuries, governments and ETFs, with a plausible range of 600,000 to 1 million owners. BTC traded near $79,134 at publication, down 1.96% over 24 hours.