On November 29, OKX released the 25th issue of reserve certificates, revealing that the reserve ratios of 22 publicly announced currencies exceeded 100%, of which the reserve ratios of BTC, ETH, USDT, and USDC were 104%, 102%, 104%, and 100% respectively, with a total value of $26,745,350,449. It is reported that OKX is the first crypto exchange in the industry to achieve the second anniversary of the release of POR. During this two-year period, OKX insisted on issuing PoR on a monthly basis, increasing the number of publicly announced coins from 3 to 22, and continuously upgrading the PoR system through technologies such as Merkel Tree, Full View Merkel Tree, and zk-STARK. Recently, OKX POR has also completed an efficiency upgrade, reducing the size of the proof file for user verification from 2.55GB to 598KB.