Chainlink

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

Data Quality for DeFi Smart Contracts

We examine how Chainlink Price Reference Data provides the highest level of data quality to smart contracts & how to avoid large risks when building oracles.

Announcements

Chainlink VRF: On-chain Verifiable Randomness

Chainlink VRF helps enable and accelerate the development of smart contracts. Developers can easily integrate Chainlink VRF to add verifiable randomness to their smart contracts focused on gaming, security, layer-two protocols and more.

Grants

The Initiative for Cryptocurrencies and Contracts (IC3) Awarded a Chainlink Research Grant

IC3 awarded a Chainlink grant to conduct research that improves oracle networks like Chainlink, as well as the underlying blockchain, smart contract, and data infrastructure Chainlink supports.

Grants

Protofire Receives a Grant for Native Integration of Chainlink on Avalanche

Protofire is receiving a grant for a native integration of Chainlink into the Avalanche blockchain, supporting projects building externally connected smart contracts on Avalanche.

Announcements

Circuit Breakers and Client Diversity Within the Chainlink Network

Chainlink circuit breakers and client diversity ensure hyper-reliability of Chainlink Price Feeds, protecting user funds from an unexpected black swan event.

How to Fetch the Current Price of Ethereum, Bitcoin, and Other Cryptocurrencies in Solidity

In this technical tutorial, learn how to use Chainlink Price Feeds to obtain real-time cryptocurrency price data in your smart contract.

Grants

Cdot Receives a Grant for Native Integration of Chainlink on Solana

Cdot receives a blockchain integration grant co-sponsored by Chainlink, Solana, and Serum to natively integrate Chainlink oracles on the Solana blockchain.

Education

The 3 Levels of Data Aggregation in Chainlink Price Feeds

Chainlink Price Feeds incorporate three levels of data aggregation in each price update on-chain: at the data source, node operator, and oracle network level.

Announcements

Introducing the Chainlink On-Chain Data Directory: Data.eth

The Chainlink On-Chain Data Directory uses the data.eth ENS domain name to create a decentralized on-chain index of human-readable Chainlink Price Feed addresses.

Grants

TheLinkMarine Receives a Grant to Build a Chainlink News Website

TheLinkMarine is receiving a grant to develop and maintain a new Chainlink News website—a full spectrum resource for consuming all Chainlink-related news.

Developers

Build, Deploy, and Sell Your Own Dynamic NFT

Learn how to deploy, showcase, and sell your dynamic non-fungible token (NFT) on the OpenSea Marketplace using Chainlink VRF.

Developers

Using Chainlink Oracles on Matic Network

Learn how to build a scalable DeFi dApp with secure price feeds by using Chainlink’s decentralized oracles on the Matic Network.

Grants

BlockSpaces and LinkUp Florida Receive a Grant to Integrate Chainlink on NEAR Mainnet

BlockSpaces and LinkUp Florida receive a joint Chainlink grant for a native integration of Chainlink on the NEAR blockchain, supporting the many NEAR dApp developers.

Education

What Is a Decentralized Money Market?

Decentralized money markets enable users to borrow and lend their crypto assets in a permissionless manner. In this article, we explore how DeFi money markets work and why they need secure price feeds.

Developers

How to Build a Parametric Insurance Smart Contract

In this technical tutorial, learn how to use Chainlink nodes and Price Feeds to build a Solidity smart contract for a parametric crop insurance product.

Grants

SmartPy Receives Grant to Integrate Chainlink Price Feeds on Tezos

SmartPy receives a grant to integrate Chainlink Price Feeds on Tezos and build out a more advanced monitoring solution for the cross-chain integration.

Grants

Chainlink Awards Grant to Anyblock Analytics

Anyblock Analytics receives a grant to build a Chainlink node operator dashboard, create CSV export functions, and enable one-click management of earned LINK in Flux Monitor Contracts.

Announcements

Announcing the Chainlink Builders Program

This program gives our active technical community members rewards for building, testing, and supporting others in Discord. Earn badges and redeem them for gear, NFTs, and sponsored prizes.

Education

Chainlink Proof of Reserve: Bringing Transparency to DeFi Collateral

Chainlink Proof of Reserve provides on-chain smart contracts with definitive truth on the collateralization of tokens backed by off-chain assets commonly used in DeFi as collateral.

Announcements

Chainlink Participating in Gitcoin Grants Round 8 to Support Ethereum Infrastructure

Chainlink is participating in Gitcoin Grants Round 8 as a matching partner to fund community-selected projects focused on improving Ethereum's infrastructure.

Announcements

Using Chainlink Oracles to Securely Utilize Curve LP Pools

DeFi protocols needing to price Curve LP tokens in stablecoins or cryptocurrencies should use Chainlink Price Feeds to avoid flash loan attacks.

Developers

Connect a Smart Contract to the Twitter API

This developer tutorial explains how to connect to the Twitter API via Chainlink so you can trigger tweets directly from a smart contract.

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.

Developers

Random Number Generation (RNG) in Solidity

Learn how to use Chainlink VRF to generate a random number in a Solidity smart contract and build provably unpredictable outcomes into your Ethereum dApp.

Grants

IRISnet Receives Grant to Natively Integrate Chainlink on BSN

IRISnet receives a blockchain integration grant to complete a native integration of Chainlink on BSN, enabling BSN dApps to incorporate validated real-world data.

Education

How Axie Infinity Is Advancing Play-to-Earn Gaming With Chainlink

Blockchain-based game Axie Infinity is using the Chainlink Network’s tamper-proof price feeds and verifiable randomness to unlock a new economic model for players worldwide.

Education

Growing Bitcoin Adoption Using Externally Connected Smart Contracts

Through the combination of Bitcoin and Chainlink, innovative on-chain and off-chain financial products can be created that leverage the unique properties of Bitcoin, without requiring any changes to the Bitcoin blockchain itself.