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.

Developers

Chainlink Developers Starter Kit Showcase

Announcing the Starter Kit Showcase, a month-long initiative that encourages developers to use our Starter Kits to create smart contracts that make use of Chainlink tools.

Grants

Protofire Receives a Grant to Natively Integrate Chainlink on Plasm and Shiden

Protofire receives a Chainlink grant to integrate Chainlink Oracles into the Polkadot smart contract platform Plasm and Kusama smart contract platform Shiden.

Developers

How to Connect a Two-Factor Authentication (2FA) API to a Smart Contract With Chainlink

Chainlink hackathon winner Digital Bridge walks through how they built a two-factor authentication service to trigger on-chain events using Chainlink oracles.

Developers

Build Your Own Dynamic NFT With Hardhat

In this tutorial, learn how to use Chainlink VRF in Hardhat’s popular development environment to build a next-generation NFT that changes every time it’s transferred.

Grants

Chainlink Partners with UNICEF Innovation Fund to Support Blockchain-Enabled Applications in Emerging Markets

The UNICEF Innovation Fund and UNICEF Crypto Fund received a Chainlink Grant to support the development of blockchain-based solutions in emerging markets.

Developers

Craft Whiskey Crypto Payments With Chainlink Oracles

Learn how Chainlink bounty winners implemented a Chainlink Price Feed to provide whiskey buyers and sellers accurate and tamper-proof on-chain prices of craft whiskey bottles.

Grants

ChainSafe Receives a Community Grant to Expand the Chainlink Oracle Pallet on Polkadot

ChainSafe awarded a Chainlink Grant to expand, improve, and support the Chainlink Oracle Pallet for Polkadot parachains, Kusama parachains, and Substrate-based blockchains.

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.