As per this announcement, OKB is delisted from Bitfinex, ceasing trading on 26/03/21 at 9:00 AM UTC.
OKEX (OKB) is the native token of the OKEx trading platform. The token can be utilized for fees settlement and all DApps developed on OKChain.
Trading of OKB is limited to KYC verified customers, at least Intermediate level required, and certain jurisdictions.
To verify, traders can redirect to bitfinex.com/verification