Polyester is a decentralized exchange built on Polyester Chain that brings assets from multiple blockchains into one platform. Users can trade, swap, lend, borrow, and transfer supported assets across different networks. It offers advanced spot trading, unified liquidity, cross-chain deposits and withdrawals, and customizable trading tools. The platform is non-custodial, allowing users to retain control of their accounts and private keys. Its testnet is live, allowing users to explore features, practice trading with test assets, and provide feedback before the mainnet launch. Rewards are not guaranteed.