145 Repositories
JavaScript blockchain Libraries
Using a Decentralized Application (DApp) to Sell artwork on the Ethereum blockchain with smart contracts written in Solidity.
Decentralized Applications For Selling Limited Time Artwork This repository houses the Solidity, JavaScript, and HTML code for a Decentralized Applica
Profitable flashloans by arbitraging the ETH Price on Kyber and Uniswap - Bot Arbitrage
profitable_flashloans Arbitrage bot setup to search for arbitrage opportunities using the pair ETH/DAI in the Uniswap & Kyber DEXes This version of th
JellyChain1 is a blockchain network platform that supports smart contracts and can act as a payment system/cryptocurrency
JellyChain1 is an experimental blockchain network, that will serve as a starter blockchain test network and scale out database software and other applications. JellyChain1 is created to cut energy costs when mining transactions on the blockchain.
Materials for 2022 ZJU-Blockchain-Course
ZJU-blockchain-course-2022 ⬆ 可以️修改成你自己的项目名。 第二次作业要求（可以删除）： 去中心化学生社团组织治理应用 每个学生初始可以拥有或领取一些通证积分（ERC20）。 每个学生可以在应用中可以： 使用一定数量通证积分，发起关于该社团进行活动或制定规则的提案（Pro
First blockchain explorer to navigate and visualize EIP-4844 blobs
Blobscan Blobscan is the first blockchain explorer that helps to navigate and visualize those EIP-4844 blobs, providing the necessary infrastructure t
HackMIT 2022. 2nd Place in Blockchain for Society sponsored by Jump Crypto. A revolutionary web application that leverages machine learning and blockchain technology to improve the crowdsourcing experience!
📕 Wikisafe 📕 Wikisafe is a revolutionary new crowdsourcing web application that innovates the process of crowdsourcing information. This application
Kittos is NFT Marketplace built with Next Js, Hardhat, Solidity, Arweave + Bundlr Client and All The CSS Magic with TailwindCSS. 😺
Kittos NFT Marketplace 😺 Built with Next Js, Hardhat, Solidity, Arweave, Bundlr and Tailwind CSS. Functionalities New Listed Assets Mint NFT Buy NFT
Contribute in this repository by raising genuine PR. Get verified, merged and earn the free swags from Hacktoberfest 2022.
Webd-and-Blockchain-development Welcome to Hacktober Fest 2022 • EVERYONE IS WELCOME ✨ • Contribute anything in In web-development and blockchain-deve
🥁 Batch contract/on-chain queries to the same block. Multicall SDK for the Klaytn blockchain.
Klaytn Multicall Built for inevitable-changes/bento Inspired by makerdao/multicall and dopex-io/web3-multicall 📦 Installation # Yarn yarn install kla
Lecture by lecture commits of the https://www.udemy.com/build-blockchain-full-stack/ course
Commit-by-commit breakdown of "Build a Blockchain & Cryptocurrency | Full-Stack Edition" This is a commit-by-commit breakdown of "Build a Blockchain &
Boilerplate starter template for a new Telegram Web App (TWA) interacting with the TON blockchain
TON Starter Template - Telegram Web App (TWA) Starter template for a new TWA interacting with the TON blockchain Overview This project is part of a se
Decentralized stack for paranoids-decentralizers
Elymus: Platform & Stack for true decentralized apps Elymus is stack for dWeb: Browser, SDK, and bundle of nodes for p2p communication. It uses Repens
A framework for building blockchain-enabled web services
NOTE: Not ready for public use. Please reach out via twitter dm or email with any questions. Ponder A framework for building blockchain-enabled web se
D-DALLE brings together the world’s artist creativity using AI and Blockchain
D-DALLE stands for Decentralized DALL-E. This app is deployed live at ddalle.xyz on Klaytn mainnet. The AI used in this work is DALLE-2 created by OpenAI.
A developer's guide to building dapps on Fuel.
Fuel Fuel Labs is building Fuel, the fastest modular execution layer. Learn more about Fuel: Fuel docs Getting Fuelpilled: Why Developers Should Be Lo
🤑💰 Crowdfunding Platform backed by Ethereum Blockchain to bring your creative projects to life
Crypto Crowdfund For Creators Lacking the money to bring your Creative Venture to Life? Crypto Crowdfund Campaigns will help you turn your creative id
ChainJet is a workflow automation platform specialized in blockchain and cloud infrastructure.
A workflow automation platform specialized on blockchain, with more than 300 integrations. Description ChainJet is a workflow automation platform spec
DFi-App showing compound transactions on Blockchain.
dbank Welcome to your new dbank project and to the internet computer development community. By default, creating a new project adds this README and so
This Next.js app is designed to be used with the Figment Learn Pathways, to help developers learn about various blockchain protocols such as Solana, NEAR, Secret, Polygon and Polkadot!
👋🏼 What is learn-web3-dapp? We made this decentralized application (dApp) to help developers learn about Web 3 protocols. It's a Next.js app that us
Patronum: Ethereum RPC proxy that verifies RPC responses against given trusted block hashes
Patronum Ethereum RPC proxy that verifies RPC responses against given trusted block hashes. Currently, most of the DAPPs and Wallets interact with Eth
Build a Blockchain and Cryptocurrency from Scratch
This is a proof of work blockchain. With a fixed price reserve currency. Miners and node operators are needed. To get started follow the instructions in the main readme.md
Multi-chain defi crypto sniper written in typescript/javascript. Fastest method of sniping with auto-sell and rug prevention features.
CryptoSniper Community Edition Multi-chain defi crypto sniper written in typescript/javascript. Fastest method of sniping with auto-sell and rug preve
A full-featured Solana Metaplex Candymachine client-side library in Typescript
Candymachine Client SDK A full-featured Solana Metaplex Candymachine client-side library in Typescript Disclaimer: The SDK is currently a pre-alpha ve
⚡🚀 Call multiple view functions, from multiple Smart Contracts, in a single RPC query!
ethers-multicall ⚡ 🚀 Call multiple view functions, from multiple Smart Contracts, in a single RPC query! Querying an RPC endpoint can be very costly
The wallet for everyone, built on Sui blockchain
Suiet, the wallet designed for everyone If you want to know how to install/use suiet, please visit our offical website suiet.app or docs Warning Suiet
A small and simple stress testing tool for Ethereum-compatible blockchain networks
Overview pandoras-box is a small transaction stress testing tool, part of any Ethereum client developer's toolkit. It is made for Ethereum-compatible
Interplanetary Database: A Database built on top of IPFS and made immutable using Ethereum blockchain.
IPDB IPDB (Interplanetary Database) is a key/value store database built on top of IPFS (Interplanetary File System). Project is intended to be an MVP
Decentralized video-sharing social media platform, built using Lens protocol. 🌿
Lenstube Decentralized video-sharing social media platform. lenstube.xyz About Lenstube is a decentralized video-sharing social media platform, built
NFT sales monitoring bot for the Ethereum blockchain. (ERC721, ERC1155)
Ethereum-NFT-Sales-Bot NFT sales monitoring bot for the Ethereum blockchain. (erc721, erc1155) Table of Contents Click to expand Market Coverage GIF G
ChainLook is a decentralized blockchain analytics platform based on TheGraph and IPFS.
ChainLook https://chainlook.xyz ChainLook is a decentralized blockchain analytics platform based on TheGraph and IPFS. You can create beautiful widget
FlipVerse: Blockchain-based eCommerce warranty system using NFTs
FlipVerse 🔗 Blockchain-based eCommerce warranty system using NFTs DEMO LINK About the Site 🚀 Blockchain-based eCommerce warranty system using NFTs T
A decentralised E-commerce platform with NFT based warranty
flipshop A decentralised E-commerce platform with NFT based warranty demo- video, developed for Flipkart Grid 4.0 Hackathon Problem Statement Currentl
Supercharge Multicall.js with nitro features 💨
multicall-nitro Supercharge Multicall.js with nitro features 💨 Highlights TypeScript support ✅ Ready-to-use calls ✍🏻 React hook ⚛️ One time call 🎯
🦠🔬 Forta agent that detect deployment of smart contracts containing an exploit function
Attack Simulation Bot Description The agent detects deployment of smart contracts containing an exploit function. Using a simulation-based approach, t
🛠️ A simple GUI of Ethereum tools and utilities for debugging
Ethereum DevTools GUI A simple GUI of Ethereum tools and utilities for debugging Demo https://lab.miguelmota.com/ethereum-devtools Tools ABI viewer sh
🚀👩🚀This repo contains all the files to follow along and implement a MultiChain NFT MarketPlace! Be sure to watch my Youtube tutorials so you can learn and follow along!
Multi-Chain NFT Marketplace 🚀 👩🚀 This repo contains all the files to follow along and implement a MultiChain NFT MarketPlace! Be sure to watch my
V2.0 🚀 AI Driven PancakeSwap Prediction Bot🔮
🔮 🚀 PancakeSwap Prediction Bot (improved) v2.0 PancakeSwap Prediction Bot using AI recomendations. Folked and improved from this repository. ⭐ Pleas
On-chain snapshots of the whole blockchain state
📸 Snapshop 📸 Snapshop is a tool for creating on-chain snapshots of the whole blockchain state. It lets your smart contracts read the storage of any
⚡️ Free and trustless ASA swapper, powered by Algorand
📃 About The following repository hosts the source codes for AlgoWorld Swapper. Free and open-source swapper that allows for trustless transfers of as
🔑 Keagate is an open-source, high-performance alternative to popular cryptocurrency payment gateways such as Coinbase Commerce, CoinGate, BitPay, NOWPayments, CoinRemitter, CoinsPaid and more.
⛩️ Keagate – A High-Performance Cryptocurrency Payment Gateway 🚧 This project is actively in development 🚧 Table of Contents About the Project Purpo
A decentralised portal that aims to help Government Educational organisations to track student and colleges data to provide them with fellowships and programs.
DeSIDB A decentralised database built on Ethereum & Solidity. Introduction - India is a country with a population of 6.8 crore students graduating eac
🌘light.so - The Social Blockchain Explorer
light.so The Social Blockchain Explorer. Learn more Discord · Website · Issues About The Project Ethereum for absolutely everyone The social blockch
This is a CI/CD and version controlling tool for smart contracts which is an award winning project built for ETHPrague Hackaton.
Inspiration Alfred is built-in version control and CI/CD system for your smart contracts. It uses proxy contract and a DAO to upgrade or downgrade you
Appunti Blockchain 2021/2022 LM-18
Appunti - Blockchain Appunti - Table of contents Slides 001 - Introduzione Crittografica 002 - Blockchain 003 - Bitcoin Exercises 8 Giugno 2020 Domand
Simple trading bot that utilize Jupiter SDK on Solana blockchain.
solana-jupiter-bot CAUTION! Use at Your own risk! I take no responsibility for your transactions! ⚠️ EPILEPSY WARNING - CLI UI is constantly refreshed
Elrond blockchain CLI helper tools - interaction with APIs, smart contracts and protocol
Buildo Begins 👷 Meet Buildo. He is here to help you start creating in the Elrond blockchain ecosystem. Here is where everything begins. I'm going on
The beam mono repo. maintainer = [@anddddrew]
![The beam mono repo. maintainer = [@anddddrew]](https://github.com/joinbeam/beam/raw/main/assets/banner.png)
Beam Jump to: 📡 Infrastructure 🔥 Contributing 👥 Contributors ✅ Code of Conduct 🎨 Designs 🧰 Packages 📡 Infrastructure You can checkout our docume
An Ethereum-compatible blockchain with a giant capacity for storage
goliath The Goliath blockchain is an Ethereum L2 with a giant capacity. For devs, it means you'll never need another chain. No bridges, no new languag
chain-syncer is a module which allows you to synchronize your app with any ethereum-compatible blockchain/contract state. Fast. Realtime. Reliable.
Chain Syncer Chain Syncer is a JS module which allows you to synchronize your app with any ethereum-compatible blockchain/contract state. Fast. Realti
Horizontally scalable blockchain using STARK's and partitioned transactional memory
quark quark - quick STARK! A decentralized horizontally-scaled state machine that can transfer 1,000,000 unique tokens on Uniswap in a single atomic t
we try to make a tiny p2p client spec, maybe for sigchain gossip thing, maybe for simple blockchain thing
mininode Mininode is a tiny p2p client for prototyping p2p protocols. It is a specification for a set of interfaces that I made to make it easier to t
Send encrypted messages and decrypt them without sharing keys. Built using the Handshake blockchain.
zmsg Encrypt and decrypt messages using AEAD with an ephemeral key Learn more by joining the Handshake Discord Community I noticed that there wasn't a
Open source Dapp template for the Elrond blockchain.
NextJS Dapp Template elrond-nextjs-dapp.netlify.com Simple alternative to the dapp-core with React. The Dapp is built using Nextjs and a couple of hel
✨ An IRL tokenization platform to turn your hopes, dreams, and desires into fundable NFTs on the Polygon blockchain using Chainlink, IPFS, Moralis, and NFT.Storage.
GoFundYourself Getting funding for your passion project, needs or dream doesn't have to be a nightmare! check out our live demo on Netlify Let's Fundi
OSINT - Data Visualization - Blockchain - Awareness - Scam
poorSKeme OSINT - Data Visualization - Blockchain - Awareness - Scam Install Go to this site and click on the downdload button Or go to release sectio
Open-source NFID SDK for Internet Identity, a blockchain authentication system for the Internet Computer.
NFID-SDK is an open source software development kit that contains examples and packages for developers to integrate NFID into your application
GO implementation of the Terra 2.0 Protocol
The full-node software implementation of the Terra blockchain. Explore the Docs » Terra Core reference · Go API · Rest API · Finder · Station Terra mi
Empowering philanthropy and ESG practice through blockchain.
esolidar web3 Empowering philanthropy and ESG practice through blockchain. A dedicated Dapp on top of Celo where any nonprofit, susteinable project or
Sign In With Tezos: Access Control Management using Tezos NFTs
SIWT Sign In With Tezos (SIWT) is a library that supports the development of your decentralized application (dApp) by proving the users ownership of t
Connect your Ethereum smart contract to any real world API using the oracle pattern!
Minimal Viable Oracle (MVO) - An effective way to Build your own oracle with Solidity Smart contracts cannot access off-chain data directly. This repo
Dfunds is a decentralized fundraiser and NFT minter application built on Conflux blockchain with ChainIDE
Dfunds is a decentralized fundraiser and NFT minter application built on Conflux blockchain with ChainIDE. Dfunds was inspired by Conflux Labs & ChainIDE Hydra Developer Bootcamp. It was built to solve the problem of individuals and foundations in need of funds.
Security tool + attack database used to take quick action against newly-discovered vulnerabilities in the blockchain.
SolidGuard Version: v1.0.1 SolidGuard is a Blockchain Security tool catered towards organizations who manages decentralized applications on the Ethere
E-Commerce solution for security of databases and transactions.
commerce_new_era AMAÇ Amacımız günümüzde E-Ticaret sitelerinde bulunan sahte ürünlerin ve mağduriyetlerin önüne geçmektir. Bunu yapmak için Blockchai
This is a Blockchain contract app built with solidity, ethersjs, nodejs, and the hardhart library. Connects to metamask as well.
Dribble - Hardtjs, Etherjs, Metamask Project About Dribble is my first blockchain, web 3.0 application that you could use to deposit ethereum into a w
Perma is a prototype of permanent video storage and viewing using Next.js, Arweave, and Bundlr.
PERMA Perma is a prototype of permanent video storage and client-side rendering using Next.js, Arweave, and Bundlr. Technologies used: Arweave - File
Boilerplate starter template for a new TON blockchain project - FunC contracts, JS tests, compilation and deployment scripts
TON Starter Template - Contracts Starter template for a new TON project - FunC contracts, JS tests, compilation and deployment scripts Overview This p
Get the latest Flashbots blocks and Flashbots transactions using TypeScript in two lines of code !
mev-blocks-js This package can let you query the Flashbots blocks API easily from any JavaScript or TypeScript project. You can access the Flashbots b
A Timetable DApp. It is a university group project.
A blockchain e-timetable project It is now testing, please use Metamask and Rinkeby Test Network Metamask: https://metamask.io/ Get some coin in test
A simple Rust DApp Calculator in Solana 🦀
Rust Calculator 🖩 in Solana 🦀 This Calculator written Rust using Anchor ⚓ Setting up the Environment: Rust Installation: curl --proto '=https' --tls
solana-base-app is a base level, including most of the common features and wallet connectivity, try using `npx solana-base-app react my-app`
solana-base-app solana-base-app is for Solana beginners to get them up and running fast. To start run : run npx solana-base-app react my-app change th
A tiny blockchain node for browsers.
UBI Chain A very tiny blockchain for browsers. Features Spin up a node from a browser. One node per human via Proof of Humanity UBI for gas and fees.
Multi-sig wallet for the Ethereum blockchain.
Ethereum Multi-sig Wallet See it live here Prerequisites Follow this guide to create an Ethereum wallet and switch to the Rinkeby Test Network Send yo
A decentralized Music Ownership System developed on Truffle Suite and React Bootstrap to allow Music artists to upload their content to the blockchain, that can be streamed by users
A decentralized Music Ownership System developed on Truffle Suite and React Bootstrap to allow Music artists to upload their content to the blockchain, that can be streamed by users.
A Multichain crypto wallet library that supports Ethereum, Solana and other EVM compatible blockchains.
Multichain Crypto Wallet A Multichain crypto wallet library that supports Ethereum, Solana and other EVM compatible blockchains. Installation npm inst
This is a Blockchain contract app built with solidity, ethersjs, nodejs, and the hardhart library. Connects to metamask as well.
Dribble - Hardtjs, Etherjs, Metamask Project About Dribble is my first blockchain, web 3.0 application that you could use to deposit ethereum into a w
Lenster is a decentralized, and permissionless social media app built with Lens Protocol 🌿
Lenster Decentralized, and permissionless social media app 🌿 lenster.xyz » Discord • Issues 🌿 About Lenster Lenster is a decentralized, and permissi
This project demonstrates single transaction and batch transaction use case
Batch Transaction Fullstack ( Localhost:8545 ) This project demonstrates single transaction and batch transaction use case. It comes with a transactio
A decentralized protocol for indexing and querying data from DecentraMix's on chain contracts across all supported blockchains.
A decentralized protocol for indexing and querying data from DeMix contracts across all supported blockchains.
Elven Tools Dapp - Elrond blockckchain frontend dapp demo. Primarily for NFT minting, but it can be used for other purposes.
Elven Tools Dapp Docs: elven.tools/docs/landing-page.html Demo: dapp-demo.elven.tools Sneak peek: youtu.be/ATSxD3mD4dc The Dapp is built using Nextjs
Crypto Basket - Free Blockchain Press Release
ADD YOUR CONTENT Upload all files to IPFS All non-IPFS links should be inside LINKS Sections Use markdown syntax How to add content to CryptoBasket ?
A simple NFT trading and breeding platform for demonstration purposes.
📦 boxyz I know it sounds strange, but maybe these boxes can breed and have children. They can be sold as well. boxyz is a fun project to trade and br
DecentraMix.io is a cross-chain, non-custodial, universal privacy-preserving protocol with the decentralized governance
DecentraMix.io is a cross-chain, non-custodial, universal privacy-preserving protocol with the decentralized governance. DecentraWorld applies zkSNARKs to enable transactional privacy for all DeFi components by breaking the on-chain link between depositor and recipient addresses.
This repo is dedicated to making minimal repos of existing defi primatives.
Defi Minimal This repo is dedicated to making minimal repos of existing defi primatives. WARNING: None of the contracts are audited! Completed (but un
Universal interface for web3 wallets
web3-wallets Universal interface for web3 wallets dapp wallets blockchains ╭─
Omnuum. All about creators.
Summary There are a lot of NFT projects and PFP projects. But, there are limited tools and services for trying new project. Artists or creator whoever
MultiSafe is a shared crypto wallet for managing Stacks (STX) and Bitcoin (BTC).
MultiSafe MultiSafe is a shared crypto wallet for managing Stacks (STX) and Bitcoin (BTC). Deploy a MultiSafe https://app.multisafe.xyz/ Features Curr
Stays: book accommodation on-chain, pay in crypto, and help local communities
Stays: on-chain bookings Installation Make sure you have node and nvm installed: nvm use v16 npm install -g yarn npm install -g lerna yarn install ler
🎯 Wallet Lite is a Quick and Simple way to use your Tokens of Lunes Blockchain in a light Chrome extension
Lunes Wallet Lite Offered by: Lunes Installing Web store: Lunes Lite will be available on Chrome Web Store Build: Requisites NodeJS (16 or higher) Git
JS/TS TON blockchain package
💎 ton3 ton3 is a javascript package inspired by tonweb to work with TON blockchain.\ ⚠️ Work in progress, API can (and most likely will) be changed!
Tip Tweet is a hybrid dApp that provides a simple way to tip a tweet using Ethereum. Authors can claim their tips using their Twitter account. You only need the tweet URL to tip. 🚀 😎
Tip Tweet Table of Contents About Folder Structure Contract Deveopment Starting the App Usage Contributing About Tip Tweet is hybrid dApp that allows
Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood
Mastering Ethereum Mastering Ethereum is a book for developers, offering a guide to the operation and use of the Ethereum, Ethereum Classic, RootStock
A simple API to interact with Stacks and CityCoins data.
CityCoins API Probably Nothing CF Workers + IttyRouter + micro-stacks + TypeScript ...and it feels good! Things to Note uses simple typed responses an
A bridge between different EVM based Chains.
Blockchain Bridge between different Ethereum based chains. This project uses DApps and smart contracts to Bridge assets between blockchains and it is
🌱 Ethereum provider solution for Dapp&Wallets, 🏷 If you have good suggestions, please submit issues
English | 简体中文 | 日本 ETH Wallet Modal An Ethereum Provider Solution for Integrated Wallets and Dapps ⚠️ Notice If you need to reduce unnecessary import
Buy and sell tickets in the form of NFTs on Meter blockchain.
MeterTickets Landing page website: https://metertickets.on.fleek.co Marketplace dapp: https://metertickets-marketplace.vercel.app/ Smart contracts Blo
Been interested, studying, and developing blockchain security with a Zero Knowledge Proof (ZKP) and create a prototype on the current issue with Philippine's upcoming election. 📥
Implementation of Zero Knowledge Proofs in Cryptographic Voting 😎 Reference: Cryptographic Voting – A Gentle Introduction Overview 👨🏻💻 The main i
This is a decentralized Amazon clone, built on the blockchain
The project is a Decentralized version of Amazon, built on the blockchain. Which gives users the ability to purchase and sell items without the involv
A microservice for calling ethereum APIs.
Ether Goblin A microservice for calling ethereum APIs. Features RESTFul APIs for the Ethereum Blockchain and its ecosystem Microservice Run in Docker
Solidity NFT whitelist contract example using MerkleTree.js for constructing merkle root and merkle proofs.
MerkleTree.js Solidity NFT Whitelist example Allow NFT minting only to whitelisted accounts by verifying merkle proof in Solidity contract. Merkle roo
A comprehensive collection of useful tools developed with the help of Ethers.js to interact with the Ethereum Blockchain to develop great DeFi apps as quickly and easily as possible.
hudi-packages-ethersfactory How to install Installing with npm For more information on using npm check out the docs here. npm i @humandataincome/ether