DIAV - Digital Identity and Asset Vault using Blockchain

A simple and secure web application for managing digital assets using blockchain technology.

Features

• Decentralized secure immutable asset storage using blockchain
• Support for various types of digital assets- docs, pdfs, images, excel.
• Proof of Work consensus mechanism
• User-friendly web interface

Implementation Steps

Prerequisites

• Python installed on your system

Setup and Run Instructions

1. Open VS Code and set up a split terminal (Left and Right)

2. In the Left Terminal:

   pip install -r requirements.txt

   python peer.py

3. In the Right Terminal:

   python run_app.py

4. Click the link from the client(right) terminal to access the application. (Note: peer.py and run_app.py are running on different ports to avoid collision).

5. Enter user name -> Select File -> click Uplaod -> click "Request to Mine". The file gets stored in the blockchain. Go back and refresh the page to see the uplaoded files.

6. Open a new terminal to run the Proof of Work comparison:

   python POW_Comparison.py

Technical Details

The application uses:

• SHA256 cryptographic algorithm for block security
• Proof of Work consensus mechanism with difficulty level upto 3
• Flask for the web interface