G999 will reward you for helping us keep the network safe. If you stake in our network to the G999 Wallet, you will be rewarded a 2.5% / year, every time a block is validated, you get rewarded for your staked coins. The more coins you will stake, the higher the reward. The 2.5% / year is calculated according to the staked number of coins.
There is no maximum amount of coins you have to stake, but a minimum of 249.999 GSC must be available on your wallet for staking. Unlike the masternodes collateral in the staking, you can unlock your coins at any time.