In order to bring determinism to the oracle layer, Chainlink has developed a network of decentralized oracle networks (DONs), with each DON involving a combination of multiple security techniques needed to service a particular use case.
The Chainlink stack supports multiple open standards for designing and operating oracle services, which currently span four key verticals: 1) Data, 2) Interoperability, 3) Compliance, and 4) Privacy. Built upon these standards exists an ever-expanding collection of modular, purpose-built oracle services, which can be easily created and seamlessly composed using the Chainlink Runtime Environment (CRE). CRE is a developer platform and decentralized execution environment for running, managing, and composing oracle services into scalable end-to-end solutions, which run in a highly secure, reliable, and cryptographically verifiable manner.

Chainlink is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). The Chainlink stack provides the essential data, interoperability, compliance, and privacy standards needed to power advanced blockchain use cases for institutional tokenized assets, lending, payments, stablecoins, and more. Since inventing decentralized oracle networks, Chainlink has enabled tens of trillions in transaction value and now secures the vast majority of DeFi. 
Many of the world’s largest financial services institutions have also adopted Chainlink’s standards and infrastructure, including Swift, Euroclear, Mastercard, Fidelity International, UBS, ANZ, and top protocols such as Aave, GMX, Lido, and many others. Chainlink leverages a novel fee model where offchain and onchain revenue from enterprise adoption is converted to LINK tokens and stored in a strategic Chainlink Reserve. Learn more at chain.link.

Chainlink is not a governance protocol. Chainlink is an open-sourced platform of standards developers leverage to build next-generation onchain applications. It is developed and maintained by Chainlink Labs and a broader community of contributors. While there is no onchain token-based governance like in some DeFi protocols, the direction of the protocol is guided by core developers, researchers, and ecosystem partners, with feedback from the community.

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