The main CEX holds 6.2% of Bitcoin's circulating supply, with Coinbase taking the top spot.

According to CryptoRank data as of December 25, CEX holds 1.3 million bitcoins, or 6.2% of bitcoin transactions. Over 44% of Bitcoin is stored in the Coinbase wallet. There are 583,000 BTC in the Coinbase wallet. Binance came in second with 329,000 BTC held, representing almost 25% of 1.3 million BTC, followed by Bitfinex with 193,000 BTC representing 16.63%. The data also shows that CEX's equity has declined over the past two years. In July 2021, the CEX wallet stood at 1.53 million BTC (7.3% of BTC inventory), and in October 2020 it was 1.76 million BTC (9.5% of spending BTC). (Basic crypto)