428 Open source projects that are alternatives of or similar to Coffee Supplychain Ethereum

Solidity Engineer Challenge

Scala library for integration with Ethereum clients

💰 Retail Store that runs on Ethereum

Smart contracts for creating Daox-based fundraising organization

Blockchain Books

📦 Resources for the Ethereum Smart Contract Development tutorial series.

Blockchain DApp using React, Next.js and MobX

A pure swift Ethereum Web3 library

Cheeze Wizards is the world's first battle royale on the blockchain (with cheese!)

Seriality is a library for serializing and de-serializing all the Solidity types in a very efficient way which mostly written in solidity-assembly

⚙️ Peer to Peer Loan System implemented on Ethereum Smart Contracts

Medical insurance claiming DApp which uses a Multi-Sig type approach to grant claim (ConsenSys project)

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

Augmint Web Frontend

A solidity preprocessor and flattener CLI and library

smart contracts which are built on ethereum wallet mist,truffle compiler using solidity language.

gDAI - Gas less DAI transfers by using GSN, Fulcrum and KyberNetwork

Scribble instrumentation tool

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

🎛 Core smart contracts of Uniswap V2

Decentralized Social Media Overlay

Cryptozombies for Vyper: Learn Vyper by building games!

🌀 Decentralize application boilerplate with React Redux and Firebase integration.

📖 A little book on Ethereum Development with Go (golang)

🎉 ICO Contracts of the ALIS.

Formerly Linnia-Smart-Contracts

Simple example of token market. Based on blockchain technology using Ethereum platform.

(Formerly Solium) Code quality & Security Linter for Solidity

CLI Tool to List & Store Solidity Smart Contract Methods Attributes

HomeWork is an autonomous utility for finding, sharing and reusing home addresses for contracts.

精通以太坊 （中文版）

A simple auction dApp for Ethereum, written in Solidity.

Sustain Ethereum Together

🔐 Ethereum smart contracts developed for the Hanzo Platform.

æternity: solving scalability problems by making sense of state-channels

Robonomics network infrastructure based on Ethereum Blockchain.

a light javascript library to interact with the Steem Smart Contracts Sidechain

Code base for "Learn Solidity: Programming Language for Ethereum Smart Contracts" course in Tosh Academy & Blockchain Council

An Ethereum dApp for posting social events.

Tested Ethereum ICO Contract for Token Crowdsales

An Analysis Tool for Smart Contracts

The Hifi fixed-rate, fixed-term lending protocol

Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software. Get Solidity stack traces & console.log.

Ethereum smart contracts for security and utility tokens

A blockchain platform with a simplified programming language

Stellar contract examples and components

Ethereum smart contract fuzzer

Skycoin Core and Wallet

⛓ Dev Protocol is an open source middleware for creator's sustainability.

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

Ethereum contract for Bitcoin SPV: Live on https://etherscan.io/address/0x41f274c0023f83391de4e0733c609df5a124c3d4

Official Go implementation of the IOST blockchain

Wolk SWARMDB - Decentralized Database Services for Web3

A php interface for interacting with the Ethereum blockchain and ecosystem. Native ABI parsing and smart contract interactions.

The Baseline Protocol is an open source initiative that combines advances in cryptography, messaging, and blockchain to execute secure and private business processes at low cost via the public Ethereum Mainnet. The protocol will enable confidential and complex collaboration between enterprises without leaving any sensitive data on-chain

The Shared Royalty Non-Fungible Token (a.k.a Bootleg) is an open source project started by the ConsenSys Web3Studio team. The purpose of the Shared Royalty Non-Fungible Token (SRNFT) is to make any royalty business model, from the oil and gas industry to entertainment, easy to manage with the Ethereum blockchain .

⛓️ Reference Waves Blockchain Node (client) implementation on Scala

Designed to represent a fungible asset as an ERC777 token

Elegant Web3js functionality in Swift. Native ABI parsing and smart contract interactions on Ethereum network.

A guide to smart contract security best practices