Bitcoin holdings on OKX decreased by 6% to 125,000 BTC in May.
Ethereum balances rose by 5.66% to 1.87 million ETH.
Tether (USDT) saw the most significant increase, jumping 11.46% to 8.75 billion USDT.
OKX's Proof of Reserves initiative aims to enhance transparency and trust by allowing independent verification of user assets through a Merkle Tree-based system.