🔗 Secure Product Chain

A Blockchain-Based Fake Product Detection System that enables manufacturers to register products on the Ethereum blockchain and allows customers to verify product authenticity using QR codes.

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📖 Project Overview

Counterfeit products are a major issue across industries. This project uses Blockchain technology to create an immutable product registry where manufacturers can securely register products and customers can verify authenticity by scanning a QR code.

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✨ Features

• 👤 User Registration & Login
• 🔐 JWT Authentication
• 👨‍💼 Role-Based Access (Admin, Manufacturer, Customer)
• ⛓ Ethereum Smart Contract
• 🦊 MetaMask Wallet Integration
• 📦 Product Registration
• 📱 QR Code Generation
• ✅ Product Verification
• 🗄 MongoDB Database
• 🌐 REST API using Express.js

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🛠 Tech Stack

Frontend

• HTML5
• CSS3
• JavaScript
• Ethers.js

Backend

• Node.js
• Express.js
• MongoDB
• Mongoose
• JWT Authentication

Blockchain

• Solidity
• Hardhat
• MetaMask
• Ethereum Local Network

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📂 Project Structure

SecureProductChain/
│
├── backend/
├── frontend/
├── contracts/
├── ignition/
├── screenshots/
├── test/
├── package.json
├── hardhat.config.js
└── README.md

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🚀 Installation

Clone Repository

git clone https://github.com/Bency-Hanita-Angelica-K/Secure-Product-Chain.git

Install Dependencies

npm install

cd backend
npm install

Start Hardhat Node

npx hardhat node

Deploy Smart Contract

npx hardhat ignition deploy ./ignition/modules/ProductVerification.js --network localhost

Start Backend

cd backend
npm start

Start Frontend

Open the frontend folder using VS Code Live Server.

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📸 Project Screenshots

🏠 Homepage

🏠 Homepage

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👨‍🏭 Manufacturer Module

Manufacturer Registration

Manufacturer Login

Dashboard

Add Product

MetaMask Transaction

Product Registration & QR Code Generation

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👤 Customer Module

Customer Registration

Customer Login

Scan QR Code

Verify Product

Genuine Product Result

Invalid Product Result

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👨‍💼 Admin Module

👨‍💼 Admin Module

Admin Registration

Admin Login

Admin Dashboard

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⚙️ Technical Setup

MetaMask Connected

Hardhat Local Network

MongoDB Connected

Smart Contract Deployment

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🔮 Future Enhancements

• Deploy to Ethereum Sepolia Testnet
• Mobile QR Scanner
• Admin Approval Dashboard
• Product History Tracking
• Cloud Deployment
• IPFS Integration

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👨‍💻 Author

Bency Hanita Angelica K

Computer Science Engineering Student

Blockchain | Web Development | Cybersecurity Enthusiast

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⭐ If you like this project

Give this repository a ⭐ on GitHub.