According to the official announcement, Binance will start the system upgrade at 10:00 am (Hong Kong time) on February 9th. The upgrade duration is expected to be 30 minutes, during which time deposits, withdrawals, spot and leveraged transactions, C2C transactions, Binance Bao purchase and Contract redemption, fund transfer (sub-account, leveraged account, contract account, fiat currency account), contract transactions are not affected. The transaction is expected to resume at 11:00 am. Users can cancel orders, recharge, withdraw cash, and transfer funds before resuming transactions. The content of this upgrade is the performance upgrade of the matching engine.