The overall balance on Coinbase, the publicly traded digital exchange, has dropped by about 36.6 percent in the last 24 months due to huge BTC outflows. Reports Shows BTC Exchange Supply Has Decreased The overall Bitcoin balance on Coinbase has reached roughly 650,000 coins, according to Glassnode, a notable on-chain analytics platform, compared to an all-time high of 1,025k BTC in April 2020.