# Oracles Oracles are on-chain entities that bridge the gap between blockchain-based smart contracts and real-world data, such as cryptocurrency prices.\ \ They play a crucial role in ensuring that price feed data used by DeFi protocols is up-to-date, accurate, and tamper-proof. In the context of lending and borrowing, oracles provide the necessary price feeds that enable these platforms to determine collateral requirements, calculate interest rates, and execute liquidations when needed. Bonzo Finance utilizes both [Chainlink](/hub/developer/oracles/chainlink.md) and [Supra](/hub/developer/oracles/supra.md) oracles for verifiable, tamper proof asset price feed data. \ \ Check out the educational article "[The Role of Oracles in Decentralized Lending & Borrowing](https://bonzo.finance/blog/the-role-of-oracles-in-decentralized-lending-and-borrowing)" to learn more about the world of oracles and their significance in DeFi lending and borrowing ecosystems. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.bonzo.finance/hub/developer/oracles.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.