OKX released its 43rd Proof of Reserves (verification of exchange-held assets) snapshot dated May 7, showing declines in user balances for two major cryptocurrencies. User Bitcoin holdings fell by 5,851 BTC, or 5.0%, to 111,188 BTC, while user Ethereum holdings dropped by 50,140 ETH, or 3.12%, to 1.56 million ETH. The source also references user USDT, or Tether (U.S. dollar-pegged stablecoin), holdings, but the figure is incomplete in the provided text. Proof of Reserves reports are typically used by crypto exchanges to show that on-platform assets are backed by held reserves.