A service that brings off-chain data (price feeds, weather, sports results) on-chain for smart contracts to consume. Chainlink is the largest oracle network. Oracles are a security-critical bottleneck — a manipulated price oracle can drain a lending protocol. Multiple oracle exploits have caused 9-figure losses.
Oracle
A service that brings off-chain data (price feeds, weather, sports results) on-chain for smart contracts to consume. Chainlink is the largest oracle network. Oracles are a security-critical bottleneck — a manipulated price oracle can drain a lending protocol. Multiple oracle exploits have caused 9-figure losses.
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