DFX is a decentralized exchange protocol on the Ethereum blockchain that is optimized for fiat-backed stablecoins. It utilizes real-world FX price feeds to ensure efficient exchange of stablecoins pegged to different foreign currencies. With DFX, users can safely earn yield and provide financial localization for global businesses. The protocol dynamically adjusts using ChainLink's real-world FX price feeds to offer the best rates. By focusing on fiat-backed stablecoins, DFX aims to protect assets from price volatility and contribute to the mainstream adoption of Web 3.0.