OSL HK launches SOL/USD trading pair order book trading Foresight News reported that OSL HK announced today that the SOL/USD trading pair has officially opened for trading on the order book. Meanwhile, Solana Network's SOL recharge and withdrawal functions have also been launched simultaneously. OSL HK stated that as the first licensed digital asset exchange in Hong Kong to support Solana, it will continue to provide users with a secure and smooth trading experience.