// GLOSSARY -- WEB3 INFRASTRUCTURE

What is Chainlink?

1 min read Updated

Chainlink is the largest decentralized oracle network, providing tamper-resistant price feeds, verifiable randomness, and cross-chain communication to smart contracts across hundreds of blockchains.

WHY IT MATTERS

Chainlink has become essential blockchain infrastructure. Its decentralized oracle network provides price feeds used by the majority of DeFi TVL, verifiable random functions (VRF) for gaming and NFTs, and Cross-Chain Interoperability Protocol (CCIP) for cross-chain messaging.

The network operates through independent node operators who stake LINK tokens as collateral. Multiple operators fetch data from multiple sources, and aggregation contracts combine their responses — making manipulation extremely expensive.

Chainlink's moat is its network effects: more protocols using Chainlink → more node operators join → better data quality → more protocols adopt. This flywheel has made it the dominant oracle solution.

FREQUENTLY ASKED QUESTIONS

How does Chainlink make money?
Node operators are paid LINK tokens for providing data. Protocols pay for oracle services through LINK or gas. Chainlink Labs also has enterprise partnerships and service contracts.
What is CCIP?
Cross-Chain Interoperability Protocol — Chainlink's cross-chain messaging standard. It enables token transfers and arbitrary messages between blockchains, aiming to become the internet's cross-chain standard.
Is Chainlink decentralized?
The oracle network uses decentralized data aggregation. However, Chainlink Labs has significant influence over feed configurations and node operator selection. It's progressively decentralizing.

FURTHER READING

Enforce policies on every tool call

Intercept is the open-source MCP proxy that enforces YAML policies on AI agent tool calls. No code changes needed.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.