Blockchain in Java

This project implements a basic blockchain using core Java. It includes functionalities such as block creation, transaction handling, and storage of transactions in JSON files. Additionally, a Merkle tree is generated using the SHA-256 hashing algorithm for all user transactions.

Tech Stack

• Core Java

IDE

• Netbeans 17

Features

1. Create Blocks: Each block in the blockchain has a unique block ID.
2. Add Transactions: New transactions can be added to a block.
3. Multiple Transactions: Multiple transactions can be added to a single block.
4. Unique Hashes: Each transaction has a unique hash.
5. Merkle Root: A Merkle root is created using the hashes of all transactions.
6. JSON File Storage: All transactions are maintained in JSON files.

How To Run

1. Install the Project: Download and unzip the project.
2. Add Gson Library: Place the Gson JAR file in your NetBeans dependency folder.
3. Run the Project: Execute the project in your NetBeans IDE.

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© 2024 Abhishek Jariwala