UNDERGROUND UNIT – ABOUT US

Building the Future of Decentralized Trust

A hands-on blockchain implementation project showcasing cryptographic security, distributed consensus, and modern web development practices.

🔗 PROJECT OVERVIEW

This project is a fully functional mini blockchain implementation built from the ground up using Python FastAPI for the backend and React with Tailwind CSS for the frontend. It demonstrates core blockchain concepts including cryptographic hashing, proof-of-work mining, chain validation, and distributed network synchronization.

The backend leverages custom blockchain logic with SHA-256 cryptographic hashing to ensure data integrity and immutability. Each block is securely linked through cryptographic hash pointers, creating an tamper-evident chain. The system implements a configurable proof-of-work consensus mechanism that simulates real-world mining operations.

Our interactive web interface provides real-time visualization of blockchain operations, allowing users to mine blocks, tamper with data, simulate 51% attacks, track miner rewards, and observe node synchronization. This hands-on approach makes complex cryptographic concepts accessible and demonstrates why blockchain technology is revolutionizing digital trust and decentralized systems.

⚡ CORE FEATURES

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Block Structure

Each block contains an index, timestamp, data payload, previous hash, current hash, and nonce value. Blocks are cryptographically linked to form an immutable chain.

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SHA-256 Hashing

Utilizes industry-standard SHA-256 cryptographic hash function to ensure data integrity. Any tampering with block data immediately invalidates the entire chain.

⛏️

Proof-of-Work

Implements a configurable difficulty-based mining system. Miners must find a nonce that produces a hash with the required number of leading zeros, simulating real blockchain consensus.

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Tampering Detection

Real-time validation system that immediately detects any unauthorized modifications. Demonstrates how blockchain's immutability protects against fraudulent alterations.

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Miner Rewards

Tracks and distributes mining rewards to participants. Each successfully mined block awards 50 coins to the miner, simulating cryptocurrency incentive mechanisms.

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Node Synchronization

Multiple nodes can maintain independent blockchains and sync using the longest-chain rule. Demonstrates distributed consensus in decentralized networks.

THE UNDERGROUND UNIT

A team of cybersecurity enthusiasts and blockchain developers pushing the boundaries of distributed ledger technology. United by code, secured by cryptography.

UNDERGROUND UNIT

We are a collective of practical builders, not just theorists. Our team specializes in cryptographic security, distributed systems, and modern web development. From backend architecture to cyberpunk UI design, we handle the full stack. This blockchain project showcases our ability to transform complex cryptographic concepts into functional, interactive systems. We believe in learning by building, and this mini blockchain is our proof-of-work.

Malik Obaid Ur Rehman

Lead Architect & Core Developer. Designed the blockchain's cryptographic foundation, implemented SHA-256 hashing, and built the proof-of-work consensus mechanism. Handles backend architecture and secure coding practices.

Hassan Lodhi

Security Analyst & Penetration Tester. Developed tampering detection systems, simulated 51% attacks, and validated chain integrity. Ensures the blockchain is resilient against common attack vectors.

Mubashir Shahzaib

Full-Stack Developer & Backend Engineer. Built the FastAPI REST endpoints, implemented node synchronization logic, and connected frontend React components to backend APIs. Bridges the gap between UI and blockchain logic.

Irfanullah Khan

UI/UX Designer & Frontend Developer. Designed the cyberpunk interface using React and Tailwind CSS, created interactive blockchain visualizations, and implemented light/dark mode theming. Makes cryptography visually stunning.