This post is part of our Oracles Study Group. Take a look there to learn more about related topics.
Chainlink is a decentralized network of oracles that enables smart contracts to securely interact with real-world data and services that exist outside of blockchain networks.1
Chainlink 2.0 creates a framework for multiple interoperating Decentralized Oracle Networks (DONs), which each consist of a collection of nodes that can transfer data bidirectionally and perform decentralized off-chain computation using various consensus protocols.2
- 2 [april, 2021] Chainlink 2.0 Lays Foundation for Adoption of Hybrid Smart Contracts
- 1 [january, 2021] What Is Chainlink? A Beginner’s Guide
- [september, 2020] What is a blockchain oracle? What is the Oracle Problem?
- [august, 2020] What Is the Blockchain Oracle Problem?
- [june, 2019] Oracles: The Key to Unlocking Smart Contracts
-  ChainLink, A Decentralized Oracle Network | research summary
-  Chainlink 2.0: Next Steps in the Evolution of Decentralized Oracle Networks
- [august, 2020] What is a Blockchain Oracle? What is the Oracle Problem?
- [april, 2019] ChainLink Token (LINK) Security Audit Report, by Callisto Network
- [february, 2019] Chainlink Audit Draft, by Nick Johnson
- [december, 2018] Chainlink Smart Contract Security Review, by Sigma Prime
- [october, 2018] Chainlink Audit Report, by Quantstamp
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