OKCoin provides access to the best offers for supported assets without any transaction fees, gas, or service fees, so you can keep all the rewards generated by the protocol. This program is called the Earn program. Earn is the best way to grow your Crypto with staking and Defi. You can earn The annual percentage yield (APY) for each protocol. Okcoin adds your funds directly to the selected protocol when you deposit into Earn. They don't determine the rate you receive because the value of rewards may fluctuate; the APY is variable.