384 Open source projects that are alternatives of or similar to ECoupon-on-blockchain

📦 Resources for the Ethereum Smart Contract Development tutorial series.

Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood

⚙️ Peer to Peer Loan System implemented on Ethereum Smart Contracts

🗓 Clone eventbrite on Ethereum, built in Solidity, TruffleJS, Web3js and React/Redux.

A truffle box for svelte

Electronic Health Record (EHR) and Electronic Medical Record (EMR) systems. However, they still face some issues regarding the security of medical records, user ownership of data, data integrity etc. The solution to these issues could be the use of a novel technology, i.e., Blockchain. This technology offers to provide a secure, temper-proof pl…

Web Client for Plasma Protocol

Solidity library for advanced fixed-point math

UML class diagram generator for solidity contracts

Specification for Storm: L2/L3 distributed storage and messaging with economic incentivisation leveraging LNP/BP ecosystem

Solidity exercises

RGB Core Library: consensus validation for private & scalable client-validated smart contracts on Bitcoin & Lightning

💎 Get 2000+ ERC-20 token balances with JavaScript. Supports Node.js and Deno

The genesis contracts of BNB Smart Chain.

Static program analysis framework for Ethereum smart contract bytecode.

💥 Akropolis+Yearn

The Koinos Miner (GUI) provides a sleek and functional user interface that allows users to mine the KOIN ERC-20 which will be used to deliver an equitable initial token distribution on the Koinos blockchain.

More Viable Plasma (MoreVP) contract with Limbo Exits

🚀Awesome Solidity patterns to make life easier ✌️

Home of the Move programming language

FCL (Flow Client Library) - The best tool for building JavaScript (browser & NodeJS) applications on Flow 🌊

🔌 Ethereum Dapp Basic Typescript Starter

Uniswap flash swap arbitrage solidity contracts

Up-to-date Solidity/web3.js/React/Next.js code for the udemy.com course Ethereum and Solidity: The Complete Developer's Guide.

This is a white label solution to create a contribution crypto-wallet that can be used in your ICO campaign.

Alice smart contracts

Featherjs server for caching giveth data.

The reference implementation of the ERC-721 non-fungible token standard.

Blockchain DApp using React, Next.js and MobX

Scala library for integration with Ethereum clients

Smart contracts for https://app.astrodao.com

📑 Documentation generator for Solidity

Project Wyvern Ethereum Smart Contracts

The smart contract development tool for Pythonistas, Data Scientists, and Security Professionals

Smart contracts for Tinlake, the on-chain securitization protocol for real-world assets

An Interface and Reference Implementation of the ERC-884 DGCL Token.

Ether-SWR is a React hook that fetches Ethereum data. It streamlines the chores to keep the internal state of the Decentralized App (DApp), batches the RPC calls to an Ethereum node and cache the responses

A Protocol for trading decentralized derivatives on Ethereum

Clarinet is a simple, modern and opinionated runtime for testing, integrating and deploying Clarity smart contracts.

Node for JeChain - an experimental smart contract blockchain network

An example of usage IPFS in Ethereum Smart Contracts

Smart Contract Vulnerability Detection Using Graph Neural Networks (IJCAI-20 Accepted)

Flow Protocols powering synthetic asset and margin trading

solidity utils to make your life easier

The Fungible Token standard on the Flow Blockchain

Kleros smart contracts

Android web3j example

Smart contracts and transactions for Topshot, the official NBA digital collectibles game on the Flow Blockchain

Lightweight, open source and magic-free framework for testing solidity smart contracts.

No description or website provided.

⬆️ Take a HIGHLY leveraged position on the future price of DAI 📈.

Bloqly: JavaScript Smart Contracts Engine + SQL database

Demo of integrating a JS webapp with the Pact smart contract langauge

Contract Metadata Viewer on Tezos

Learning NEO Step by Step

Output Ethereum contract sizes with Hardhat 📐

A complimentary course for an understanding of blockchain and its development like custom blockchain, dapps, etc.

A template for building Full-Stack Blockchain Dapps using Next.js (React), TypeScript, Tailwind CSS, Hardhat, Solidity, and many more!

Testing framework to enable Cadence testing via a set of JavaScript methods and tools

Example of how to use the CREATE2 opcode released in the Constantinople update for Ethereum