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What Is a ‘Data Feed’ in the Context of Decentralized Finance (DeFi)?

A data feed is a continuous, trusted stream of external data, usually price, delivered to a smart contract.
Greeks.Live20.11.25

What Is a ‘Data Feed’ in the Context of Decentralized Finance (DeFi)?

A data feed is a continuous, reliable stream of external information, typically price data, that is supplied to a smart contract by an oracle. In DeFi, these feeds are critical for protocols to accurately calculate asset values, execute liquidations, and manage collateral ratios.

A robust data feed ensures the financial logic of a DeFi application operates on up-to-date and correct market information.

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