abitCoin v1.0.0 – Educational Blockchain Demo

abitCoin v1.0.0

The first stable educational release of abitCoin, a full-stack blockchain simulation built with Node.js, Express, Angular, and TypeScript.

Features

• Secp256k1 wallet and digital-signature generation
• Signed transaction validation and AES-256 encryption demonstration
• Proof-of-Work block mining
• Wallet balances and transaction history
• Blockchain integrity and security evaluation
• Transaction, signature, timestamp and previous hash tampering demonstrations
• Block restoration from an untouched backup
• Simulated blockchain node network
• Angular browser dashboard
• Automated backend tests and production frontend build

Requirements

• Node.js 20.19+, 22.12+, or 24.x
• npm 10 or newer

Getting started

Follow the installation and startup instructions in the repository README.

Important limitations

This release is intended for education and demonstration only. Blockchain and network state are stored in memory and reset when the backend restarts. Browser wallets reset when the page is refreshed. Do not use this project for real cryptocurrency, sensitive information or production funds.