From established Web3 devs to complete beginners, the Chainlink Fall 2022 Hackathon is open to all who want to learn faster, build better, and win bigger.

In this developer tutorial, learn how to call a smart contract from another smart contract in an EVM environment using Solidity.

Learn about reentrancy attacks and how they were used in the infamous DAO Hack, which led to an Ethereum fork.

Learn how to leverage Chainlink Price Feeds to access secure and high-quality historical cryptocurrency price data.

A step-by-step tutorial showing Web3 developers how to verify their smart contract on Etherscan using multiple different methods.

A hands-on introduction to Solidity ABIs and Bytecode covering how to rapidly generate and use them when prototyping smart contracts.

In this technical tutorial, learn how to leverage Chainlink Proof of Reserve to prove the collateralization of a wrapped bitcoin token.

Dive into the latest features of Chainlink Automation that help Web3 developers build faster and off-load complex automation challenges off-chain.

Understand how to build a randomized, automated, dynamic NFT project using three Chainlink services.

In this technical tutorial, learn how to build a simple dApp that makes use of a Solidity smart contract, Chainlink Data Feeds, React, and Ethers.js.