Simple Blockchain using Java

Overview

This project demonstrates a simple blockchain implementation using Java.

Features

• Block creation
• SHA-256 hashing
• Proof of Work mining
• Blockchain validation
• Tampering detection

Technologies Used

• Java
• SHA-256

How to Run

1. Clone the repository
2. Open project in IntelliJ or VS Code
3. Compile all Java files
4. Run Main.java

Output

• Mines blocks
• Displays blockchain
• Validates blockchain integrity

Learning Outcomes

• Blockchain fundamentals
• Hashing
• Mining
• Immutable ledger