Cross-chain compatibility refers to the ability of different blockchains to recognize and interpret each other's data and assets, which is crucial in a rapidly expanding multi-chain blockchain ecosystem. This compatibility lays the groundwork for cross-chain interoperability, which allows blockchains to interact with one another through standardized protocols. Chainlink's Cross-Chain Interoperability Protocol (CCIP) has emerged as a universal standard that facilitates seamless interactions between public and private blockchains, enabling complex transactions such as cross-chain smart contracts and token transfers. CCIP prioritizes security, using multiple decentralized networks and an independent Risk Management Network to ensure the safety of cross-chain operations. This protocol has attracted collaboration from major financial institutions, indicating its potential to unlock the widespread use of blockchain technology and tokenized assets. CCIP's standardization of cross-chain interactions enables diverse applications, including tokenized assets, delivery vs. payment transactions, lending, gaming, and data storage across different blockchains, thus supporting the scalable growth of onchain finance.