OKB is the Okex cryptocurrency exchange's own token. Just like other stock market tokens, you can get a 25% discount on trade transactions made there by keeping a certain amount of OKB on the Okex exchange.
You can also earn OKB by staking on the Okex exchange. You can also pay commissions with OKB in commercial transactions.
You can find OKB on many crypto currency exchanges.
Since ERC is a 20-based token, you can also trade OKB on decentralized exchanges.
It is a popular token as it is the token of a world famous cryptocurrency exchange like Okex. It is gaining value every day.
You can trade OKB / BTC, OKB / ETH, OKB / USDT trading pairs on the Okex crypto currency exchange.