How to Build a Multi-Chain Swap Interface
typescript
dev.to
Building a multi-chain swap interface used to mean integrating separate SDKs for each DEX on each chain, managing router contract addresses, and handling incompatible ABIs across networks. With over $5 billion in daily DEX volume spread across Ethereum, Arbitrum, Base, Polygon, BSC, and dozens of other EVM chains, users expect a single UI that lets them swap tokens on any network without switching apps. This guide walks you through building a production-ready multi-chain swap interface using Re