CanonChainlink
Chainlink: paper, then practice.
Chainlink, in the paper, is a committee that signs a value from outside the chain. The chain can check the signatures. It cannot check the world.
Steve Ellis, Ari Juels, Sergey Nazarov. 2017. Status: Design paper. Last reviewed: 1 October 2026.
- The paper. The 2017 Chainlink paper: a network of independent nodes that fetch off-chain data, aggregate it, and deliver a signed result on-chain, with a reputation and penalty story around the nodes. It is the reference design for 'the contract needs a fact from outside'.
- Oracle.
- Chainlink profile.
- What a chain cannot prove.
What this chain does not claim
It does not rank a network, quote a yield, or say the live client still matches the paper. The full study keeps the limits. Primary source: Chainlink white paper.
