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  • Chainlink Achieves Major Scalability Upgrade With the Mainnet Launch of Off-Chain Reporting (OCR)
    Announcements

    Chainlink Achieves Major Scalability Upgrade With Mainnet Launch of Off-Chain Reporting (OCR)

    Chainlink’s newest core client reduces network operating costs by up to 90% and enables Chainlink oracles to bring 10x more data on-chain to power smart contract development.

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    Brand-Based vs. Math-Based Agreements
    Education

    Brand-Based vs. Math-Based Agreements

    The problem of counterparty risk and how math-based agreements like blockchain-based smart contracts can increase trust and transparency in global markets.

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    Announcing the Spring 2021 Chainlink Virtual Hackathon
    Announcements

    Announcing the Spring 2021 Chainlink Virtual Hackathon

    Registration is now open for Chainlink’s Spring 2021 Virtual Hackathon. Compete for $80k+ in prizes, connect with top blockchain projects, and more.

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    Building a Service-Oriented Architecture for the Smart Contract Ecosystem
    Education

    Building a Service-Oriented Architecture for the Smart Contract Ecosystem

    Chainlink Co-founder Sergey Nazarov explains how service-oriented architecture is powering smart contract development and innovative composability in DeFi.

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    Fetch Foreign Exchange Rates in Solidity Smart Contracts
    Developers

    Fetch Foreign Exchange Rates in Solidity Smart Contracts

    Learn how to use Chainlink to fetch tamper-proof Foreign Exchange (FX) price data in your Solidity smart contracts.

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    Convert a Vending Machine to Accept Cryptocurrency Payments Using Chainlink Price Feeds
    Developers

    Convert a Vending Machine to Accept Cryptocurrency Payments Using Chainlink Price Feeds

    Learn how to program a vending machine to accept payments in cryptocurrency, using Chainlink oracles to connect Arduino hardware devices with smart contracts.

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    Developers

    Build a dApp on Binance Smart Chain With Secure Data Feeds

    Build, test, and deploy a smart contract on Binance Smart Chain that reads the latest ETH/USD price from Chainlink’s decentralized oracle network.

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    Developers

    Build a Marine Insurance Smart Contract With Chainlink

    Learn how to call marine water level data to a parametric insurance smart contract using a Chainlink External Adapter.

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    Education, Feature

    What Is Chainlink? A Beginner’s Guide

    Learn about Chainlink in 5 minutes with our beginner’s guide, which covers blockchain oracles, the oracle problem, and universally connected smart contracts.

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    Announcements

    Announcing the Chainlink Builders Program

    We’d like to thank our passionate community of developers who have put in amazing work to expand and strengthen the Chainlink Network. Chainlink is the most widely-used blockchain oracle because of your efforts building out the decentralized network.

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