Okcoin will be supporting the hard fork of ADA during epoch 290 (estimated on September 12, 2021 2:44PM PT). ADA Deposits/Withdrawals will be suspended from September 11, 2021 3:00AM PT until the hard fork is complete. Your tokens are safe.
ADA Deposit/Withdrawal Suspension: September 11, 2021 3:00AM PT until the hard fork is completed.