123 Open Source Blockchain Technology Software Projects

🎉 Minimal Blockchain Learning CLI

⛓️ A minimal blockchain command-line interface.

Sample insurance application using Hyperledger Fabric

Tepleton Network

IOST offers a secure & scalable infrastructure for online service providers. Its high TPS, scalable and secure blockchain, and privacy protection scales social and economic cooperation to a new level.

Connect to applications on EOS, Ethereum, and Tron. Exchange tokens with ease. Manage your assets safely. All in a simple to use interface.

A starter boilerplate for an Ethereum dapp using web3.js v1.0, truffle, react, and parity

XDAG (Dagger Coin) Official Main Repository. XDAG is a novel DAG based cryptocurrency.

A blockchain implementation in Python

A simplified blockchain implementation in Java

EOS.io Kylin Testnet by cryptokylin.io

Blockchain as intended

Customer's site of the system

Reference implementation of the Theta Blockchain Ledger Protocol

The fastest crypto online

summaries of all the papers I read

For the curious minds who want to understand how Bitcoin Blockchain works!

Stellar API SDK for .NET Core 2.x and .NET Standard 2.0

Code your own blockchain in less than 120 lines of Java!

Denarius [$D] is a PoW/PoS Hybrid Cryptocurrency with Tribus a new PoW Hashing Algo built specifically for D, one of a kind hybrid masternodes called Fortuna Stakes, atomic swaps, staking, mining, IPFS, optional Native Tor and I2P, and much more!

:rocket: :zap: :sparkles: next-gen mining pool server software

Blockchain Frontier Technology Tracking

DIAdata.org platform

A curated list of projects using the NEM blockchain

Syncing the EOS blockchain data to mongodb database.

Java Binding for the Exonum blockchain framework

企业级区块链实战教程

All things #DeFi - trustless and transparent financial products built on top of the blockchain.

AIOpen是一个按人工智能三要素（数据、算法、算力）进行AI开源项目分类的汇集项目，项目致力于跟踪目前人工智能（AI）的深度学习（DL）开源项目，并尽可能地罗列目前的开源项目，同时加入了一些曾经研究过的代码。通过这些开源项目，使初次接触AI的人们对人工智能（深度学习）有更清晰和更全面的了解。

电子书：以太坊技术与实现

Open source blockchain project designed for developer needs from the start. OPEN chain is a convenient and flexible technology for developing blockchain solutions and decentralized applications.

Telegram Bitcoin Bot

Ethererum Blockchain Explorer to show the details of the blocks and transactions via web3- Realtime Price Ticker, etc.

Go Client for interacting with Libra Blockchain

Fast, Highly Scalable, and Lightweight Private Blockchain Network based on node.js

The Blockchain Bible,a collections for blockchain tech,bitcoin,ethereum,crypto currencies,cryptography,decentralized solutions,business scenarios,hyperledger tech,meetups,区块链,数字货币,加密货币,比特币,以太坊,密码学,去中心化,超级账本

The road so far on Udacity Blockchain Developer Nanodegree

DAPS is the world's first coin to implement Bulletproofs and RingCT & Ring Signatures in a staking chain. With DAPS it is possible to stake, run masternodes and mine PoA blocks.

A mobile app on Steem blockchain!

Mortgage Processing App using Hyperledger Fabric Blockchain. Uses channels for privacy and access, and restricts read/write previleges through endorsement policies

Source code for rib.rs

This is my attempt to list all possible blockchain consensus out there, i welcome pull request of the blockchain community! lets make it the main reference for blockchain consensus

This is Ethereum devp2p protocol dissector plugin for wireshark.

Ethereum Static Vulnerability Detector for Gas-Focussed Vulnerabilities

React/Redux dApp (decentralized app) boilerplate using Ethereum's blockchain

Build Multi-Host Network - Hyperledger Fabric

Rust library for building IQC: cryptography based on class groups of imaginary quadratic orders

I wish the world continues to be lively, I wish you and me are still you and me.

Simple BlockChain DEMO in JAVA

C# port of https://github.com/ivan-liljeqvist/SimpleBlockchain

LibraBrowser

Ethereum ICO smart contracts for managing crowdsale

🚀 Fast and easy to use mobile trade interface for cryptocurrencies. Track your trades to the moon and beyond. Currently only for Bittrex.

This project combines Hyperledger's Indy ledger for decentralized identity with the Corda platform

Tamper-evident and scalable distributed ledger platform

Syscoin is a crypto currency that is universally merge-mineable and offers a unique variety of services including decentralized identities, marketplaces and certificate management, escrow, asset token issuance platform capabilities directly on the blockchain.

A PHP library for rippled (XRP Ledger) communication.

Application for tracking Organs donations in hospitals and minimizing the scope of Organ trafficking using Blockchain (Hyperledger) technology.

Decentralized application (Dapp) similar to instant messenger. The BIG difference is that it will allow its users to make a monthly passive income, while providing companies with higher quality and better-priced services.

The Mesh is an infrastructure that makes the Internet easier to use by making it more secure.

An ERC721 dapp tutorial to demonstrate how digital asset could be represented and traded on blockchain removing the need of third party.A full stack dapp made via solidity (contracts deployed on ropsten) integrated with web3js deployed on ipfs.

EOS Block Producer Rating Portal :thumbsup:

blockchain samples/区块链大全/échantillons blockchain/サンプルコードコレクション

Explorer for the Theta Ledger

A minimalistic blockchain implementation

🔮 Very Simple ERC-721 Smart Contract Template to create your own ERC-721 Tokens on the Ethereum Blockchain, with many customizable Options 🔮

Blockchain technology for creating custom chains.

FIBRE now available for your favourite chain. Deploy relay networks in minutes!

Code that shows how to build your own Bitcoin-like blockchain with JavaScript.

A curated list of awesome blockchain resources

pacNEM is a Browser PacMan game with NodeJS, Socket.io, Handlebars and NEM Blockchain

:orange_book::green_book::blue_book:《睡前学点区块链》系列文章。推荐使用Gitbook阅读：https://wangbicong.github.io/block-chain-article/

A reference implementation of blockchain in Go to demonstrate how blockchain works. For education purpose.

The official Apostille Typescript repository

10-weeks of technology exploration

Linx - A mineable blockchain based digital currency.

A proof of concept for cordentity

Repository for learning and building decentralized systems

Simple blockchain in Ada

1Ramp Alpha Web App

Trustless sidechains for Bitcoin network. Lightning ⚡️ brings thunderbolt 🌩 – Typhon 🐉 brings typhoon🌪

A public chain built for the decentralized exchange

Bluzelle Decentralized Database Service

Zion Key Management Api

Python client for NEM NIS API (https://nemproject.github.io). XEM\NEM\Crypto

Welcome to Zentachain

Simple example of blockchain using flask in python.

Zion Key Management Service

Website for Berlin Blockchain Week 2018

This repository contains following main modules: contract executor, wallet desktop, sc-api, api-client

[Flutter] 从以太坊区块链 (Ethereum Blockchain) etherscan 上抓取任意一个钱包地址的所有token信息 (Address, Name, Balance, Symbol, Value)，并编写界面进行展示。

A simple ledger for smart contracts written in python

Python Library for Binance Dex and Binance Chain

A demonstration of asset tracking blockchain, a generic use-case in IoT.

E-portal for government tender process using Hyperledger (Blockchain) technology.