Plastic Finance aims to be a Dapps, internal exchanger, DeFi and recycle plastic grinds index all together. Indonesia is number 2 world plastic polluters in the world, we do have potential as part of recycle plastic supply chain. By integrating DeFi into a cooperative mobile app, garbage collector can exchange their plastic waste directly for cash. The waste collector can choose either convert their waste to cash or saving through DeFi using Binance Smart Contract technology.