Learn Blockchain, Solidity, and Full Stack Web3 Development with Javascript

Blockchain educational resources curated by the OpenZeppelin team

NFT Marketplace prototype using Typescript, WalletConnect, Metamask, Web3, Solidity, React and Storybook

Opinionated Dapp Starter Template provides a solid foundation for building Ethereum-based applications. It incorporates various tools and frameworks such as React, Next.js, Hardhat, TypeChain, web3-react, daisyUI Tailwind CSS Components, and OpenZeppelin.

How to create your own NFT and mint NFT token

This a smart contract for performing arbitrage with AAVE flashloan between Uniswap & Sushiswap

A collection of learning materials on Blockchain, Hyperledger, Ethereum, Solana, and IPFS.

Dapp that implements a "fake-stake" mechanism on any ERC20 token

How to do your first ICO smart contract

OpenZeppelin Relayer

An OpenZeppelin starter kit containing React, OpenZeppelin SDK & OpenZeppelin Contracts.

A blockchain monitoring service that watches for specific on-chain activities and triggers notifications based on configurable conditions.

ERC721 Contracts module for the NFT Marketplace project

Stake ERC721 Tokens to claim ERC20 Tokens

A repo for working with and building daos

This project provides sample codes to build a simple NFT marketplace with Amazon Managed Blockchain.

A Decentralized Application (dApp) with React that demonstrates how to implement IPFS file uploads and store the IPFS hash in an Ethereum smart contract.

Solidity contracts for Thales Markets

Turtle-themed NFT game and marketplace promoting Indian art.

This repository contains tutorial on building Upgradable Smart Contracts and showcasing it with a simple NFT Minter dApp with React and Moralis.

🛡️ Authereum smart contracts

🎨 Draw your own NFTs

An OpenZeppelin starter kit tutorial containing React, OpenZeppelin SDK & OpenZeppelin Contracts.

Source code for Crescendo NFT Marketplace, music distribution on Binance Smart Chain.

Optimint is a gas-optimized ERC721 reference implementation that's based on OpenZeppelin Contracts, and requires only 1 SSTORE operation per batch-mint.

A starter kit for Ethereum Smart Contracts development

Defender SDK

Silo Contracts V2 is a collection of modular Solidity smart contracts designed to streamline decentralized finance applications on Ethereum. It focuses on security, scalability, and ease of integration.

A decentralized crowdfunding application built with Solidity, Hardhat, Sepolia, Next.js, and ethers.js.

👾 my foundry framework and detailed solutions for each ethernaut level