Crypto exchange OKX has announced the launch of a new proof-of-reserve system. This addition enables customers to verify their digital assets. It will also provide a means for users to verify that their funds are backed 1:1 by real assets. The firm has also rolled out a self-audit feature that will let users know if their assets are safe. The feature will initially support Bitcoin (BTC), Ethereum (ETH) and stablecoin Tether (USDT)