Quickswap is a decentralized exchange running on Polygon Network, which provides cheaper and faster transactions. Its automated as a city merchant integrates the upgraded Ethereum smart contract and makes the intermediary superfluous. The exchange is based on open source software, and is given priority to decentralization, resistance review and security. Compared with Ethereum, it benefits from ultra -low GAS prices and fast and simple transaction execution. Anyone can deposit two tokens from the liquidity pool to become liquidity providers. The exchanges support ERC-20 token transactions, which are traded according to the constant product formula.