Chainlink plays a pivotal role in Web3 through its Cross-Chain Interoperability Protocol (CCIP), which facilitates seamless communication between blockchains. This enables DApps to operate across multiple networks, accessing data and assets from various ecosystems. By supporting cross-chain functionality, Chainlink enhances DApp scalability and user experience in areas like multi-chain DeFi or NFT marketplaces. Its potential lies in creating a unified Web3 environment, unlocking new possibilities for interoperable DApps.