Contracts traditionally require a centralized authority to verify compliance with terms, but blockchain technology and smart contracts offer a decentralized alternative, reducing risks and improving efficiency. However, smart contracts face limitations in accessing external data, known as the oracle problem, which is addressed by hybrid smart contracts using oracles like Chainlink. Chainlink is a decentralized oracle network enabling smart contracts to securely access external data and perform off-chain computations, thus supporting a wide range of use cases across industries such as finance, gaming, insurance, and supply chain. These oracles provide secure data feeds, enable cross-chain interoperability, and support advanced functionalities like verifiable randomness and automated processes, enhancing the capabilities of smart contracts and broadening their applicability in real-world scenarios.