Defil-decentralized Finance of Filecoin, based on Filecoin project, is expected to create a Decentralized platform combining FIL mine pool and DeFi. By providing the perfect incentive plan, namely interest + liquidity mining, DeFIL guides the users who are prepared for long-term investment and already hold FIL to temporarily lend FIL to miners. While solving the pain point of miners' pledge currency, DeFIL can also obtain additional income through this project.