Gold Key Finance's product GKey is a Defi protocol that gets users yields in the Binance Smart Chain ecosystem. They offer services such as staking and farming. They offer 0.25 GKEY per referral as well for joining.

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Learn how to setup a Binance Smart Chain Wallet here.
Congrats, you just completed the airdrop. The airdrop will end and be distributed on April 28th, 2021. Check out some other airdrops such as 3XT Token for $222 and the second round of Difo Network for $25.