Proposal #17:Position Mining Grant for $USDT

To incentive more liquidity of margin token $USDT, we are going to add a position mining grant for $USDT traders

Margin Token: $USDT Reward pool: 100,000 $DRF Duration time: 30 days

Detail rules: https://docs.derify.finance/about-derify/grant-program#what-is-the-reward-rule-for-the-position-mining-grant