OPstack a Stacking Dapp in Optimism a layer 2 chain. Transactions take place on Optimism, but the data about transactions get posted to mainnet where they are validated. It’s like driving in a less crowded side street while benefiting from the security of a highway.
DATA token an ERC20 staking application. This app will allow users to stake a token and earn a reward token in return ( DATAR ) DATA reward token. for the ERC20 tokens and an ERC20 staking contract. All user can stake, unstake, and claim their reward tokens, from the OPstake application.