blockchain.js

A blockchain command-line interface built with JavaScript.

Features

• 💎 Blocks with index, hash, data, and timestamp.
• ⛏ Proof-of-work system.
• ⛓ In-memory JavaScript array to store the blockchain.
• ✅ Block integrity validation.
• 📡 Peer-to-peer communication.

Installation

To install this application, you'll need Node.js (which comes with npm) installed on your computer. From your command line:

From NPM

$ npm install blockchain.js -g
$ blockchain

From Source

You'll need Git to run the project from source. From your command line:

# Clone this repository
$ git clone https://github.com/seanseany/blockchain.js

# Go into the repository
$ cd blockchain.js

# Install dependencies
$ npm install

# Run the app
$ npm start

Built With

• Varpol - Interactive node CLI
• Peer Exchange - Peer to peer communication
• Crypto-js - Crypto library for hashing blocks

License

This project is licensed under the Apache-2.0 License - see the LICENSE.txt file for details

Acknowledgments

• Project inspired by this article written by Lauri Hartikka. Repo
• Antony Jone's repository for refactoring.
• Nick Fallon repository for PoW implementation.
• Logo designed by Muammark / Freepik.