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Chainlink

Chainlink provides decentralized oracle infrastructure for blockchain networks, delivering offchain data, computation, and cross-chain connectivity to smart contracts.
Fifth Floor, 5 New Street Square, London, United Kingdom, EC4A 3BF, United Kingdom

Chainlink Staking


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Description

Chainlink is a decentralized oracle network that enables smart contracts to securely interact with real-world data and services outside of blockchain networks. It offers various products such as data feeds, cross-chain communication, and automation tools to enhance the functionality and security of smart contracts.


Chains:
0GArbitrumAstarAvalancheBaseBinanceBittensor EVMBOBEthereumHashKey ChainHyperliquid L1Linea
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Chainlink VRF V1


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Description

Chainlink is the decentralized computing platform powering the verifiable web, enabling secure cross-chain communication and providing developers with extensive documentation, hands-on tutorials, and in-depth workshops.


Chains:
0GArbitrumAstarAvalancheBaseBinanceBittensor EVMBOBEthereumHashKey ChainHyperliquid L1Linea
+9

Chainlink Data Feeds


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Description

Chainlink Data Feeds deliver real-world data to smart contracts through decentralized oracle networks using offchain reporting. The system aggregates data from multiple sources and publishes verified information onchain through proxy and aggregator contract architecture. Data Feeds provide price feeds, SmartData feeds with multiple-variable responses, and Smart Value Recapture mechanisms for protocols.

Category: Oracle

Chainlink VRF (Verifiable Random Function)


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Description

Chainlink VRF generates verifiable random numbers for smart contracts through cryptographic proof mechanisms published and verified onchain. The system prevents tampering by oracle operators, developers, or miners through cryptographic verification of random value generation. VRF v2.5 supports subscription-based and direct funding payment models with LINK or native tokens.

Category: Developer Tooling

Chainlink Automation


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Description

Chainlink Automation executes smart contract functions through decentralized oracle networks monitoring onchain conditions and time-based triggers. The system automates transaction execution without centralized infrastructure, uses the same node operators securing Chainlink data feeds, and enables developers to offload operational maintenance for protocol automation workflows.

Category: Developer Tooling

Chainlink CCIP (Cross-Chain Interoperability Protocol)


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Description

Chainlink CCIP is a blockchain interoperability protocol facilitating token transfers, arbitrary messaging, and programmable token transfers across chains. The system uses decentralized oracle networks for transaction validation, implements rate limiting for risk management, and features timelocked upgrades through role-based access control. CCIP enables atomic and hybrid settlement workflows across public and private blockchains.

Category: Cross-chain Infrastructure

Chains:
0GArbitrumAstarAvalancheBaseBinanceBittensor EVMBOBEthereumHashKey ChainHyperliquid L1Linea
+9

Chainlink Data Streams


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Description

Chainlink Data Streams delivers low-latency market data offchain with onchain verification through a pull-based oracle design. The system provides sub-second data resolution with cryptographic proof generation, includes liquidity-weighted bid-ask prices and volatility metrics, and uses active-active multi-site deployment for high availability. Data Streams supports REST API, WebSocket, and SDK integration methods.

Category: Oracle

Chainlink Functions


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Description

Chainlink Functions provides smart contracts with trust-minimized compute infrastructure for API data retrieval and custom computation execution. The system operates through decentralized oracle networks that execute source code in serverless environments, aggregate independent results through consensus, and support threshold-encrypted secrets for authenticated API access.

Category: Developer Tooling

DataLink


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Description

DataLink is an institutional-grade data publishing service that enables data providers to commercialize specialized market data onchain through Chainlink's decentralized oracle infrastructure. Providers integrate via existing REST or WebSocket APIs, with Chainlink nodes reaching consensus before delivering signed reports through pull-based or push-based feeds. DataLink supports equities, FX rates, bonds, commodities, credit ratings, derivatives, and other institutional datasets across public and private blockchains.

Category: Pricing Data API

Chainlink Runtime Environment (CRE)


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Description

Chainlink Runtime Environment (CRE) is a developer platform that lets builders compose modular oracle capabilities into custom cross-chain workflows using Go, TypeScript, and other languages. It re-architects Chainlink's platform into purpose-built decentralized oracle networks (DONs) per capability, coordinated through DON-to-DON communication. CRE enables institutional-grade smart contracts to operate across public and private blockchains with built-in compliance and privacy support.

Category: Developer Tooling

Chainlink Privacy Standard


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Description

Chainlink Privacy Standard is a developer framework that enables private smart contracts on public and private blockchains by combining trusted execution environments (TEEs), zero-knowledge proofs, and the DECO protocol. It provides confidential computing through Chainlink Confidential Compute, selective disclosure for regulatory compliance, and cross-chain private transaction support via CCIP. Institutions use the standard to protect trade logic, tokenized asset metadata, and KYC credentials while remaining auditable to designated counterparties.

Category: Developer Tooling