Chainlink

Chainlink 2.0 Lays Foundation for Adoption of Hybrid Smart Contracts

Announcing the Chainlink 2.0 whitepaper, a major expansion of the function of Decentralized Oracle Networks to power secure and feature-rich smart contract applications.

Education

What Is Chainlink? A Beginner’s Guide

Learn about Chainlink using our beginner’s guide, which introduces blockchain oracles, the oracle problem, and universally connected smart contracts.

Education

77 Smart Contract Use Cases Enabled By Chainlink

Chainlink is a flexible and generalized framework for building decentralized oracle networks. To inspire developers, here are 77 ways Chainlink can enhance your smart contract applications.

Education

What Is the Blockchain Oracle Problem?

The blockchain oracle problem is one the most important barriers to overcome to enable smart contracts on networks like Ethereum to achieve mass adoption across a wide variety of markets and use cases.

Education

Redefining Trust Models With Chainlink’s Decentralized Services

Developers are using Chainlink's oracle infrastructure to build next-generation dApps that are setting new standards for trust in finance and other major sectors.

Developers

Congratulations to the Spring 2021 Chainlink Virtual Hackathon Winners

See how these winning projects at the forefront of DeFi, NFTs, and GovTech are using Chainlink oracles to power innovative smart contract applications.

Announcements

Chainlink 2.0 Lays Foundation for Adoption of Hybrid Smart Contracts

Announcing the Chainlink 2.0 whitepaper, a major expansion of the function of Decentralized Oracle Networks to power secure and feature-rich smart contract applications.

Developers

Get Index Prices in Solidity Smart Contracts

Learn how to use Chainlink’s pre-aggregated Price Feeds to retrieve broad market price data on indices such as FTSE 100.

Grants

Volta Receives a Co-Sponsored Grant to Natively Integrate Chainlink on Edgeware

Volta awarded a co-sponsored Chainlink grant to natively integrate the Chainlink oracle technology and Price Feeds into the Edgeware smart contract platform.

Education

How the Chainlink Network Goes Beyond Data Delivery

Explore how the Chainlink network extends the capabilities of blockchain through off-chain computation and its wide range of decentralized services.

Developers

Blockchain Hackathon Tips for Building a Winning Submission

6 pro tips to help you build and submit a hackathon project that stands out from the competition and captures the judges’ attention.

Developers

Build a dApp on xDai Chain With Secure Data Feeds

Learn how Chainlink Price Feeds give developers access to secure and high-quality price data when building scalable and economically stable dApps on xDai Chain.

Grants

block42 Receives Grant to Natively Integrate Chainlink on OKExChain

block42 receives a Chainlink grant to natively integrate Chainlink oracles into OKExChain, enabling the development of DeFi applications directly on OKExChain.

Developers

How to Get a Random Number on Polygon

Learn how to use Chainlink VRF to request a provably random number on Polygon’s highly scalable Proof of Stake chain.

Education

What Is an NFT?

In this education article, we explore Non-Fungible Tokens (NFTs), the wide range of types that exist today, and how Chainlink VRF ensures provably rare attributes for this new wave of unique digital assets.

Grants

Hack.bg Receives Grant for Native Integration of Chainlink on Terra

Blockchain development firm Hack.bg has been selected as a grant recipient for the native integration of Chainlink into the Terra Protocol.

Education

How Chainlink Enables Blockchain IoT Integrations

Chainlink oracles securely integrate blockchains with real-world IoT devices, increasing efficiency, automating accounting measures, reducing costs, and improving overall device security.

Developers

Congratulations to the ETHDenver 2021 Hackathon Chainlink Bounty Winners

Read how the winning projects from the 2021 ETHDenver Hackathon used Chainlink oracles to build innovative dApps around NFTs, identity verification, bounty-based engineering, and more.

Grants

Protofire Awarded a Grant for Building a New Chainlink Testnet Faucet

Protofire awarded Chainlink Community Grant for their work in creating a new testnet LINK token faucet that's live across Polygon, Binance Smart Chain (BSC), and xDai testnets.

Grants

Introducing the GovTech Prize at the Chainlink Virtual Hackathon

In partnership with the Mayor’s Office of Reno, Nevada, the Chainlink Grant Program is offering a GovTech Prize at the Spring 2021 Chainlink Hackathon.

Developers

Chainlink Bounty Winners: ETHGlobal 2021 MarketMake Hackathon

Read how the winning Chainlink bounty projects from the 2021 ETH Global MarketMake Hackathon used Chainlink’s secure oracle infrastructure to build novel DeFi applications ranging from automated insurance protocols to quadratic funding models.

Grants

Lead Maintainer of GORM, Jinzhu, Awarded a Chainlink Community Grant

Jinzhu receives a Chainlink grant to ensure that the Golang library GORM is maintained and expanded for both Chainlink and open-source developers worldwide.

Developers

Fetch Commodity Prices in Solidity Smart Contracts

In this technical tutorial, learn how to use Chainlink Price Feeds to obtain secure and up-to-date commodity price data in your smart contract.

Education

What Is Miner-Extractable Value (MEV)?

In this educational article, we explore Miner Extractable Value (MEV), the unfavorable dynamics it creates for users, and how Chainlink Fair Sequencing Services provides a solution.

Education

How Chainlink Supports Any Off-Chain Data Resource and Computation

Chainlink provides a generalized framework for building and connecting to an unbounded number of independent oracle networks designed to meet any and all external data requirements.

Grants

Chainlink Joins Gitcoin Grants Round 9 to Support Ethereum Infrastructure

Chainlink joins Gitcoin Grants Round 9 as a matching partner to fund community-selected projects building key infrastructure for the Ethereum ecosystem.

Education

The Future of Asset Management Using Smart Contracts and Blockchain Oracles

This deep dive explores how smart contracts and decentralized oracles are reducing risk and creating end-to-end transparency in the asset management industry.

Developers

Verify Stablecoin Collateral With Chainlink Proof of Reserve

Learn how to use Chainlink’s Proof of Reserve feeds to check off-chain reserves against on-chain supply and verify the collateralization of stablecoins like TUSD.

Grants

Introducing the Social Impact Prize at the Spring 2021 Chainlink Virtual Hackathon

In partnership with the UNESCO Global Education Coalition, a new Social Impact Prize category has been added to the Spring 2021 Chainlink Hackathon.