Cross-chain DeFi is an evolving sector within decentralized finance that enables the seamless exchange of data and tokens across multiple blockchain ecosystems, overcoming the limitations of isolated blockchain environments. This innovative approach addresses significant challenges in DeFi, such as constrained liquidity, siloed assets, reduced capital efficiency, and limited scalability, by promoting interoperability and creating unified liquidity pools. Cross-chain DeFi leverages technologies like Chainlink's Cross-Chain Interoperability Protocol (CCIP), which facilitates secure and reliable cross-chain interactions, enabling developers to build comprehensive decentralized applications that operate smoothly across different blockchains. CCIP's implementation enhances the user experience by allowing assets to move freely across chains, thus boosting market efficiency and facilitating new use cases, including cross-chain lending, exchanges, staking, and yield aggregation. Chainlink's CCIP is already being adopted by major DeFi players to create innovative cross-chain applications, capitalizing on Chainlink's established infrastructure to ensure security and reliability in cross-chain transactions.