xDai Chain is an Ethereum-based stable sidechain that utilizes the USD-backed stablecoin xDai for fast, cost-effective, and stable transactions, making it an attractive option for developers building decentralized applications. To address the need for reliable external data and enhance the functionality of smart contracts on xDai, Chainlink Price Feeds are integrated, providing tamper-proof, high-quality price data essential for securing dApps against oracle exploits and flash loan attacks. This integration supports the burgeoning DeFi ecosystem, which has experienced significant growth, by offering scalable and predictable transaction capabilities. Developers can easily transition to xDai as it is fully compatible with Ethereum's tools and languages, and the process of deploying and utilizing Chainlink Price Feeds in smart contracts on xDai is streamlined and accessible.