On November 1st, OKX released the 24th proof of reserve on October 31st, marking the second anniversary of OKX becoming the first crypto exchange in the industry to achieve the release of POR. During this two-year period, OKX insisted on issuing PoR on a monthly basis, the reserve ratio exceeded 100% for 24 consecutive months, the number of publicly announced coins increased from 3 to 22, and continuously upgraded the PoR system through technologies such as Merkel Tree, Full View Merkel Tree, and zk-STARK, setting several milestones. Recently, OKX POR also completed an efficiency upgrade, reducing the size of the proof file for user verification from 2.55GB to 598KB. According to the 24th POR report of OKX, the reserve ratios of BTC, ETH, USDT and USDC are 104%, 102%, 106% and 100% respectively, and the total value of the four is 20.30 billion US dollars. Under the premise of protecting privacy, users can independently verify the solvency of OKX at any time, which is rated by blockchain expert Nic Carter as the highest level representing the quality of PoR of mainstream exchanges.