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This new on-chain registry maps existing token contract addresses to Chainlink Price Feeds so smart contract developers can easily fetch data from any feed. The post Introducing the Chainlink Feed Registry: A Universal Gateway to Chainlink Price Feeds appeared first on Chainlink Blog. ...
The grant funds an OEF-run Chainlink oracle node and an open-source data feed that measures the planet’s atmospheric CO2 concentration. The post Open Earth Foundation Receives Chainlink Grant to Build Open-Source, Planetary CO2 Concentration Oracle appeared first on Chainlink Blog. ...
An overview of the explicit staking model from the Chainlink 2.0 Whitepaper, which will increase the cryptoeconomic security of Chainlink’s decentralized oracle networks. The post Explicit Staking in Chainlink 2.0: An Overview appeared first on Chainlink Blog. ...
Qubistry has been selected as a recipient of a Chainlink Community Grant to natively integrate Chainlink OCR into RSK. The post Qubistry Receives Grant to Natively Integrate Chainlink OCR on RSK appeared first on Chainlink Blog. ...
Zero-Knowledge Proofs (ZKPs) allow one party to cryptographically prove to another that they possess knowledge about a piece of information without revealing the actual data. The post What Is a Zero-Knowledge Proof (ZKP)? appeared first on Chainlink Blog. ...
Development firm ChainSafe has received a Chainlink Community Grant to expand web3.js, the popular Ethereum JavaScript library. The post ChainSafe Receives Chainlink Community Grant to Provide Modern Web Support for web3.js appeared first on Chainlink Blog. ...
LinkRiver, a community-driven Chainlink node service provider, has been awarded a Community Grant for the creation of nodelogs.link....
Chainlink awards a social impact grant to Shrub to improve global access to disaster insurance and help uninsured populations mitigate the effects of climate change....
We are excited to announce that Applied Blockchain, a research and development firm, has been awarded a Chainlink Community Grant for the expansion and maintenance of the Chainlink Hardhat Starter Kit, a toolkit for building Chainlinked smart contracts....
The Chainlink Community Grant Program is expanding funding to nonprofits, startups, NGOs, and Web3 projects building hybrid smart contracts with social impact....
Explore winning projects from the 2021 0xHack that used Chainlink to build on-chain fitness reward programs, gaming dApps, and more....
Registration is now open for our new Smart Contract Developer Bootcamp. Learn the basics of Solidity, smart contracts, and how to use Chainlink oracles....
Protofire receives a Chainlink grant to integrate Chainlink oracles into the Celo blockchain, establishing support for DeFi Apps using Chainlink Price Feeds...
Chainlink oracles show how the sports industry can be enhanced using blockchains and smart contracts, which can automate payouts by verifying sports events....
Chainlink has joined Gitcoin Grants Round 10 as a matching partner, helping fund the open-source development of critical Ethereum infrastructure....
Read how winning projects from the Web3 Weekend 2021 Hackathon used Chainlink to build dApps featuring IPFS storage, DeFi futures, and an NFT marketplace....
Developers can use Chainlink oracles to get real estate valuations on blockchains, enabling DeFi and insurance smart contracts for the real estate industry....
Chainlink Keepers provides developers with a fully decentralized service for securely and cost-efficiently automating smart contract functions....
Chainlink collaborating with the IEEE BLD to define global standards around decentralized oracle networks, as well as sponsoring a new oracle study group via a Chainlink grant....
Learn how to interact with DeFi lending and borrowing protocols like Aave directly in Python so you can gain yield on deposited collateral and more....
Registration is now open for Smart Contract Summit #1, August 5-7, 2021. Join the fully loaded 3-day Chainlink event featuring visionaries across the blockchain industry....
Apply to become a Chainlink Community Advocate and get support and resources for educating your local community about the Chainlink Network....
ChainSafe receives a Chainlink grant to natively integrate Chainlink oracles into the Cosmos-SDK, supporting smart contract dApps on Tendermint blockchains....
Chainlink hackathon winner Pr!ce walks through how they built a fantasy sports dApp using Chainlink for fetching sports API data and performing off-chain computation....
Hackathon winner Max Feldman walks through how he used Chainlink Price Feeds to accurately calculate price volatility data for triggering DeFi variance swaps. ...
The Stacks Foundation has been awarded a Chainlink Community Grant to fuel the growth of projects on the Stacks blockchain that leverage Chainlink oracles....
Hybrid smart contract applications like AIRS show how blockchains and Chainlink oracles can combine to combat climate change by incentivizing regenerative agriculture....
Hybrid smart contracts combine on-chain code with off-chain data and computation from Decentralized Oracle Networks to enable advanced blockchain use cases....
Tintash awarded a co-sponsored Chainlink grant to natively integrate Chainlink Oracles into the Stacks ecosystem, bringing hybrid smart contracts to Bitcoin....
Learn how to use a Chainlink External Adapter to fetch IPFS data and reduce Ethereum gas fees for large token distributions and airdrops on Audius and other platforms....
Learn how to use Chainlink’s External Adapters to enable off-chain computation of statistical weather analysis....
We're extending our Bug Bounty Program onto Immunefi to continuously increase the tamper-resistance of Chainlink's core infrastructure....
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....
Protofire receives a Chainlink grant to integrate Chainlink Oracles into the Polkadot smart contract platform Plasm and Kusama smart contract platform Shiden....
Chainlink hackathon winner Digital Bridge walks through how they built a two-factor authentication service to trigger on-chain events using Chainlink oracles....
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....
The UNICEF Innovation Fund and UNICEF Crypto Fund received a Chainlink Grant to support the development of blockchain-based solutions in emerging markets....
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....
ChainSafe awarded a Chainlink Grant to expand, improve, and support the Chainlink Oracle Pallet for Polkadot parachains, Kusama parachains, and Substrate-based blockchains....
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. ...
See how these winning projects at the forefront of DeFi, NFTs, and GovTech are using Chainlink oracles to power innovative smart contract applications....
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. ...
Learn how to use Chainlink’s pre-aggregated Price Feeds to retrieve broad market price data on indices such as FTSE 100....
Volta awarded a co-sponsored Chainlink grant to natively integrate the Chainlink oracle technology and Price Feeds into the Edgeware smart contract platform....
Explore how the Chainlink network extends the capabilities of blockchain through off-chain computation and its wide range of decentralized services....
6 pro tips to help you build and submit a hackathon project that stands out from the competition and captures the judges’ attention....
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....
block42 receives a Chainlink grant to natively integrate Chainlink oracles into OKExChain, enabling the development of DeFi applications directly on OKExChain....
Learn how to use Chainlink VRF to request a provably random number on Polygon’s highly scalable Proof of Stake chain. ...
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....
Blockchain development firm Hack.bg has been selected as a grant recipient for the native integration of Chainlink into the Terra Protocol. ...
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. ...
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....
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....
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....
Jinzhu receives a Chainlink grant to ensure that the Golang library GORM is maintained and expanded for both Chainlink and open-source developers worldwide....
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....
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....
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....
Chainlink joins Gitcoin Grants Round 9 as a matching partner to fund community-selected projects building key infrastructure for the Ethereum ecosystem....
This deep dive explores how smart contracts and decentralized oracles are reducing risk and creating end-to-end transparency in the asset management industry. ...
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. ...
In partnership with the UNESCO Global Education Coalition, a new Social Impact Prize category has been added to the Spring 2021 Chainlink Hackathon....
The Chainlink Bug Bounty Program now provides $100,000 in cash or LINK for the responsible disclosure of critical vulnerabilities in the Chainlink codebase....
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. ...
Chainlink Co-founder Sergey Nazarov explains the shortcomings of brand-based agreements and how math-based smart contracts eliminate counterparty risk and increase transparency in global financial markets. ...
Registration is now open for Chainlink’s Spring 2021 Virtual Hackathon. Compete for $80k+ in prizes, tune into technical workshops with top Web3 projects, and connect with devs across the smart contract ecosystem....
block42 receives a community grant to natively integrate Chainlink into the Fantom Network, allowing for the creation of externally-connected smart contract applications on Fantom....
Chainlink Co-founder Sergey Nazarov explains how service-oriented architecture is powering smart contract development and innovative composability in DeFi....
Chainlink offers social impact grants to startups, non-profits, & NGOs using universally connected smart contracts to create a more economically fair world....
Kurtosis receives a grant to construct an automated and extensible testing platform that validates the scalability and reliability of Chainlink oracle networks....
In this technical tutorial, learn how to use Chainlink Price Feeds to obtain real-time Foreign Exchange (FX) price data in your smart contract....
This developer tutorial from Chainlink Virtual Hackathon winner Ted Nivan explains how to use Chainlink to convert a vending machine to accept payments in ETH. ...
Chainlink Community Advocates Cole Gendreau and Zak Ayesh receive a grant to create Chainlink Academy—an interactive coding platform for learning how to build universally connected smart contracts....
Learn how to connect your smart contracts to Chainlink’s tamper-proof oracles on Binance Smart Chain’s EVM-compatible network. ...
Hardhat offers a feature-rich development environment for Ethereum developers. In this tutorial, we walk through how to get started with Chainlink using Hardhat for fetching external data in your smart contracts and more. ...
Chainlink officially joins the UNESCO Global Education Coalition to increase the global awareness, education, and social impact of blockchains, smart contracts, and oracle technology....
With the rapid growth of the Chainlink Network, we’re growing the team to meet the continuously accelerating demand for secure oracles and validated data....
Learn how to use web3.py, Brownie’s Python-based development framework, and Chainlink oracles to build a DeFi smart contract that fetches reliable crypto price data. ...
In this technical tutorial from Chainlink Virtual Hackathon winners, learn how to call marine water level data to a parametric insurance smart contract using a Chainlink External Adapter. ...
Learn about Chainlink using our beginner’s guide, which introduces blockchain oracles, the oracle problem, and universally connected smart contracts....
Vulcan Link receives a community grant to integrate Chainlink into the SKALE Network, allowing developers to build smart contract applications using real-world data and external APIs....
Stablecoins are an increasingly popular mechanism for bringing stability to the DeFi ecosystem. Here’s how they work, as well as popular examples that use Chainlink to ensure end-to-end security....
Chainlink is driving the growth of the smart contract ecosystem by continuously bringing new datasets and off-chain resources on-chain, broadening the number of use cases....
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....
This technical tutorial explains how to use Chainlink VRF to create a secure and provably random one-time pad key for encrypted messaging apps. ...
Protofire is receiving a grant for a native integration of Chainlink into the Avalanche blockchain, supporting projects building externally connected smart contracts on Avalanche....
Chainlink circuit breakers and client diversity ensure hyper-reliability of Chainlink Price Feeds, protecting user funds from an unexpected black swan event....
In this technical tutorial, learn how to use Chainlink Price Feeds to obtain real-time cryptocurrency price data in your smart contract....
Cdot receives a blockchain integration grant co-sponsored by Chainlink, Solana, and Serum to natively integrate Chainlink oracles on the Solana blockchain....
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....
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....
TheLinkMarine is receiving a grant to develop and maintain a new Chainlink News website—a full spectrum resource for consuming all Chainlink-related news....
Learn how to deploy, showcase, and sell your dynamic non-fungible token (NFT) on the OpenSea Marketplace using Chainlink VRF....
Learn how to build a scalable DeFi dApp with secure price feeds by using Chainlink’s decentralized oracles on the Matic Network. ...
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....
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....
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. ...
SmartPy receives a grant to integrate Chainlink Price Feeds on Tezos and build out a more advanced monitoring solution for the cross-chain integration....
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....
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....
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....
Chainlink is participating in Gitcoin Grants Round 8 as a matching partner to fund community-selected projects focused on improving Ethereum's infrastructure....
DeFi protocols needing to price Curve LP tokens in stablecoins or cryptocurrencies should use Chainlink Price Feeds to avoid flash loan attacks....
This developer tutorial explains how to connect to the Twitter API via Chainlink so you can trigger tweets directly from a smart contract. ...
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. ...
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. ...
IRISnet receives a blockchain integration grant to complete a native integration of Chainlink on BSN, enabling BSN dApps to incorporate validated real-world data....
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. ...
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....
As the DeFi ecosystem grows, there is an increasing incentive for malicious actors to exploit vulnerabilities. In this post, we walk through flash loan funded oracle attacks and how to prevent them....
Learn about the winning Chainlink projects from the ETHOnline 2020 Hackathon, including a decentralized creators platform, DeFi data stream derivatives, a fiat on-ramp, and more....
Chainlink grant awarded to support a joint venture formed between Etherisc and ACRE Africa aimed at delivering sustainable, blockchain-based parametric crop insurance solutions to smallholder farmers in Africa....
We've developed a novel price oracle with Synthetix to power sOIL, a synthetic oil derivative. This is another example of how Chainlink bringing traditional financial assets to DeFi....
Digital Identity (D-ID) is a critical component of the Internet experience. We examine the risks and challenges with legacy D-ID implementations, introduce innovative blockchain D-ID solutions, and analyze how Chainlink oracles play a key part in connecting personal information to the blockchain. ...
This tutorial explains how a Chainlink node and External Adapter can be used to integrate a smart contract with an RFID scanner....
Protofire is receiving a Chainlink Grant for a native integration of Chainlink into the xDai blockchain to support the many Chainlink ecosystem projects building on its platform. ...
