Dex

Decentralized Exchange (DEX) on Sepolia A Solidity-based Automated Market Maker (AMM) deployed on the Sepolia testnet, enabling ETH-to-Balloons ($BAL) token swaps. Features constant product pricing (x * y = k), 0.3% trading fees, liquidity provision, and event logging for swaps and approvals. Built with Hardhat, integrated with OpenZeppelin ERC20, and includes a deployment script transferring 0.4 ETH. Keywords: DEX, AMM, Solidity, Sepolia, Ethereum, Hardhat, ERC20, token swap, liquidity pool, blockchain.