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

A simple E-voting Decentralised App using the Ethereum Blockchain, Solidity and the MERN(MongoDB, Express.js, ReactJS, Node.js) stack

Collection of Smart Contract for Stacks Blockchain in Clarity

Bloq Ora multi-blockchain smart contract compute oracle and validation engine

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

Postables Reusable Multi Party Payment Channel. Efficient, and lean Payment Channels with a dash of airdrops. Written in Solidity with Golang bindings

Set of smart contracts on Ethereum deal with exchange rate reporting and aggregation

An OpenZeppelin starter kit focused on GSN.

Unleash Bitcoin's full potential with decentralized apps and smart contracts. The documentation covers key aspects of the Stacks network and technology and provides tutorials and other helpful content for developers.

CLI tool that configures and deploys Ethereum DApp infrastructures using a static specification. 📚📖

Build an DApp using react, redux, saga, truffle, metamask

Robonomics network infrastructure based on Ethereum Blockchain.

Reference documentation on every gas price API and all the different formats

SIREN Core Smart Contracts

Awesome blockchain resources

Lightweight Java and Android library for integration with Ethereum clients

Censorship-resistant trustless protocols for smart contract, generic & high-load computing & machine learning on top of Bitcoin

Smart contracts for Ampleforth Protocol (working name uFragments)

A distributed smart contract package manager to create a better and shared authority in the space.

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

Colony Token and Crowdsale Contracts

PyTest plugin for testing smart contracts for Ethereum blockchain.

Official SDK for the Oasis Network.

Smart contracts that provide some of the basic functions of the EOSIO blockchain

useWeb3 provides a curated overview of the best and latest resources on Ethereum, blockchain and Web3 development.

Compile solidity-code faster, easier and more reliable

luckydog(锦鲤) 一个幸运小游戏

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

Polar is a development environment to compile, deploy, test, run scrt contracts on different networks.

Scrypto Advent Calendar. Learn the new programming langage to build secure DeFi applications quickly.

LNP/BP standards for bitcoin layer 2 & 3 protocols

Combines Hardhat, TypeChain, Ethers, Waffle, Solhint and Solcover.

Alpha from various sectors in the blockchain space.

A JavaScript / TypeScript SDK for making native mobile Ethereum dapps using React Native

A sandbox to run and debug smart contracts for FRAME Contracts pallet and also a sandbox framework for Substrate runtime.

An Ethereum dApp for posting social events.

A demo DApp on Ethereum to process mortgage loans and payments

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

Ethereum Smart Contract to prove a document's existence at some point by storing and verifying its hash.

🏬Contracts for market

(Aragon 1) Aragon apps developed by Aragon Core Devs (smart contracts + webapps)

List of CTF related to Ethereum world (solidity smart contracts)

Contracts for FundRequest (platform, token, crowdsale)

A Python library for the MythX smart contract security analysis platform

Tested Ethereum ICO Contract for Token Crowdsales

Python-based EOS smart-contract development & testing framework

A factory contract for creating metamorphic (i.e. redeployable) contracts.

Ethereum smart contract transaction input data decoder

🎚 Peripheral smart contracts for interacting with Uniswap V2

🌱 Construct Merkle Trees and verify proofs in JavaScript.

A decentralized protocol for NFT fractionalization

The Flint Programming Language for Smart Contracts

An Analysis Tool for Smart Contracts

📃 Smart Contracts that make up the core of the mStable protocol

New version of POA Network consensus contracts is here: https://github.com/poanetwork/poa-network-consensus-contracts

Flow Playground front-end app 🤹‍♂️

IZZZIO - Fully customizable blockchain platform | Node

A simple and decentralized protocol for flash loan. https://t.me/Uniflash

Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood

MOVED

A browser-based IDE for creating, deploying, and sharing blockchain apps (DApps, or decentralized apps). Publish your first blockchain DApps in 5 minutes! Here is how: https://docs.secondstate.io/buidl-developer-tool/getting-started