1257 Open source projects that are alternatives of or similar to Proofofexistence

WebDollar Protocol - Currency of the Internet

A Miniscript-based high-level scripting language for Bitcoin contracts

🚀 ⚡️ ✨ next-gen mining pool server software

[OLD!] RGB Protocol specifications for Bitcoin-based digital assets

A Smart Way to Operate Smart Contracts on EVM Based Blockchains like Ethereum

Bitcoin Lightning Wallet for Android

An advanced Ethereum mobile wallet

Python library for Hyperledger Iroha, a simple distributed ledger.

Rust implementation of multi-party Schnorr signatures over elliptic curves.

Documentation for the Nano protocol

Lemon dApp is a world's first encrypted & decentralized e-mail service.

🚀基于区块链的房地产交易系统小模型。提供销售和捐赠功能。本项目使用Hyperledger Fabric构建区块链网络, go编写智能合约，应用层使用gin+fabric-sdk-go调用合约。前端展示使用vue+element。体验地址：http://blockchain.togettoyou.com/web

🚀Combination of useful bots for Binance users. Pump and dump + Binance listing bot. 👍Best profits. Fastest ever.

Official Rust implementation of the Purple Protocol

Rust implementation of Zcash protocol

这是kotlin版的简化示例区块链demo；另外还有java版的；这个小demo能让你了解区块链中增加/效验Hash,增加工作量证明,增加/效验preHash,转账,利用webSocket技术实现节点之间的通信/同步/广播.

Tools for building browser applications on Flow 🌊

💲 bitcoin chart history scraper

📱 Trust - Ethereum Wallet and Web3 DApp Browser for iOS

Flow is a fast, secure, and developer-friendly blockchain built to support the next generation of games, apps, and the digital assets that power them 🌊

go编写的区块链入门级项目

The consensus computer driven database framework

Assignments from the Coursera course "Bitcoin and Cryptocurrency Technologies"

public blockchain

Nayuki's implementation of cryptographic primitives used in Bitcoin.

ERC-20 token standard RESTful service using Spring Boot and web3j

Boost Engine for Token Economy

Coingraph is a real-time graph for cryptocurrencies.

Simple Swift library for creating HD cryptocurrencies wallets and working with crypto Coins/ERC20 tokens.

LNbits, free and open-source lightning-network wallet/accounts system.

📟 Lisk blockchain application platform

hummingbot中文资源

OpenTimestamps server component

Buy, sell, and find the best prices for crypto-currencies from multiple markets.

blockchain (crypto) tools, libraries & scripts in ruby

Ulord is a P2P value transfer public blockchain. Through building its blockchain underlying architecture and digital resource distribution protocols, it enables third-party developers to explore their own applications over open-source agreements to form a complete ecology of blockchain technology and applications.

High-assurance implementation of the Ouroboros protocol family

Learn blockchain by building one in node.js

Istanbul BFT tools

An example Bitcoin implementation which can be used to learn about Bitcoin/Blockchain. This implementations is for educational use only!

A rust implementation of the ABCI protocol for tendermint core

Doviz.com Api (Döviz, Borsa, Altın, Kripto Paralar)

Performant and Confidentiality-Preserving Smart Contracts + Blockchains

Ethereum, Hyperledger Besu and Quorum private blockchain explorer

[Python + Flask] DFile: A fancy S3-based file sharing mode

The best way to secure your bitcoin.

This repository demonstrates the eosio platform running a blockchain as a local single node test net with a simple DApp, NoteChain.

❇️ DeBitpay is a simple app which decodes Bitpay payment links into Bitcoin transaction requirements, so that you could make the payments with Bitcoin wallets not supporting Bitpay.

A set of lightweight IoT cloud server boilerplates. The simplest way to build isomorphic JavaScript IoT servers.

Ethereum based derivatives trading protocol creating digital tokens for any asset

星云链 DApp 客户端开发框架，轻量，易用 | Lightweight and friendly util library for DApp development on Nebulas Blockchain.

Portis Web SDK [DEPRECATED, PLEASE USE OUR NEW SDK: https://github.com/portis-project/web-sdk]

The unofficial .NET/C# client library for the Coinbase Pro/GDAX API

The AirGap Wallet is installed on an everyday smartphone. This app has only access to public information.

JavaScript library for Iroha, a Distributed Ledger Technology (blockchain) platform.

Command line to track cryptocurrency prices

通用区块链平台tendermint源码分析

Channel management tool for lightning network daemon (LND) operators.

OKCoin API Wrapper in Java.