Crypto market maker Wintermute announced that it will provide liquidity for spot Bitcoin and Ethereum ETFs listed in Hong Kong. Wintermute has partnered with OSL Digital Securities and HashKey HK Exchange to facilitate the operation of the ETFs. Wintermute will assist OSL and HashKey in the purchase, sale and delivery of the underlying assets (BTC and ETH) of the ETFs to ensure a smooth creation and redemption process. (CoinDesk)