Smart contracts are incredibly powerful, but they have one major limitation: they cannot see what is happening in the outside world on their own. Oracle networks solve this problem by acting as a secure bridge between real-world data and the blockchain. Whether it is the price of a stock, the result of a sports game, or the weather in a specific location, oracles collect this information and feed it into the smart contract. To ensure the data is accurate and hasn’t been tampered with, decentralized oracle networks gather information from multiple sources and use a consensus mechanism to verify it. This is essential for decentralized insurance, where a payout might be triggered by a delayed flight or a natural disaster, and for decentralized finance, which relies on accurate price feeds to manage loans and liquidations. As more industries begin to use blockchain, the demand for reliable and secure oracle services will continue to grow, making them a critical piece of infrastructure for the entire ecosystem.