On February 26th, according to official news, OKX released the 28th issue of reserve certificates, with the reserve ratios of 22 publicly announced currencies exceeding 100%. Of these, the reserve ratios of BTC, ETH, USDT, and USDC were 104%, 102%, 102%, and 100% respectively, with a total value of $28,125,864,780. It is reported that OKX is the first crypto exchange in the industry to achieve the second anniversary of the release of POR. During these two years, OKX has adhered to the monthly release of PoR, 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, dedicated to the transparency of user assets.