There are 9 repositories under blockchain-demo topic.
Algorithms and Data Structures in Java
EOS Smart Contract Development Examples
blockchain_go in rust: A simplified blockchain implementation in rust for leaning / 用 rust 从零开始构建区块链(Bitcoin)
Blockchain Token Staking dApp built with React, Solidity, Truffle on Ethereum testnet, Polygon, Binance Smart Chain, BSC, zkEVM, Coinbase Base Chain, BASE
A fun script to steal Ether from wallets suffering from insufficient entropy during key generation.
A reference implementation of blockchain in Go to demonstrate how blockchain works. For education purpose.
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.
Simple BlockChain DEMO in JAVA
A student attendance system based on Blockchain technology
A Blockchain that runs with nodejs and demonstrates the main consensus algorithms (proof of work, proof of stake, proof of authority).
Code that shows how to build your own Bitcoin-like blockchain with JavaScript.
React, Tronweb, Tronlink application to fetch Smart contract details and interact with smart contracts on TRON blockchain, Main Net, Nile Test Net, Shasta Test Net.
Application for proposals using blockchain with MultiChain.
⛓️ Blockchain + Smart contracts from scratch
My experiment on EOSIO blockchain to develop an election Smart Contract. I also develop a webapp which interacts with the blockchain.
A simple blockchain for educational purposes
EDEN - Ethereum Development Environment & Network
Basic Block-chain + mining concept using python
A P2P blockchain network created using Golang!
A simple Blockchain implementation in PHP
On-chain wedding registry dApp built on Solana.
small blockchain with PoA consensus
NodeJS sample illustrating self-sovereign identity using indy-sdk
Run with https://remix.ethereum.org. Very simple. Just Copy and Paste it into Remix-Ethereum.
A generic and didatic implementation of Blockchain
A simple blockchain (Ethereum) based data trading platform for performing seller/buyer operations and trading cycle.
DummyCoin is a simple blockchain client-server implementation written in TypeScript
A blockchain implementation for the "Cybercoin" (CYB) cryptocurrency at CBCYBER.
🎤 PoC for payments on Ethereum with Google Assistant command
Simple form of Twitter on the blockchain, but all tweets are private. Only approved followers can see the tweets.
AvatarX is a public blockchain network for personalized artificial intelligence applications.
A Web 3.0 Application built using Web 3.0 methodologies, React, Solidity and Metamask.
A simple, class-based blockchain implementation in PowerShell.