This is a simple blockchain web application built with React for the frontend and Node.js for the backend. It allows users to simulate a blockchain by adding blocks with custom data.

• Add blocks to the blockchain with custom data.
• View the entire blockchain with block details.

• Frontend: React.js
• Backend: Node.js, Express.js
• Database: None (In-memory storage)
• Styling: CSS

1. Clone the repository:

git clone https://github.com/naim-2/Blockchain-Demo.git

2. Install dependencies for both frontend and backend:

cd blockchain-demo

cd client

npm install

cd ..

npm install

3. Start the backend server:

npm start

4. Start the frontend server:

cd client

npm start

5. Open your browser and navigate to http://localhost:3000 to use the application.

1. Enter custom data in the input field.
2. Click the "Add Block" button to add a new block to the blockchain.
3. View the blockchain to see all added blocks with their details.

Contributions are welcome! Please fork the repository and submit a pull request with your improvements.

This project is licensed under the MIT License. See the LICENSE file for details.