Fake Product Detection by QR Using Blockchain

Counterfeit products pose a serious threat to businesses, consumers, and economies worldwide, leading to financial losses, reduced customer trust, and health and safety risks. Traditional methods of product authentication are often centralized, making them vulnerable to tampering and fraud. To address this challenge, this work proposes a blockchain-based system for fake product detection using QR codes. In the proposed model, every genuine product is assigned a unique QR code that is linked to an immutable record stored on a blockchain network. Customers and stakeholders can scan the QR code to instantly verify the product’s authenticity, view its origin, and track its supply chain history. The decentralized nature of blockchain ensures transparency, security, and trustworthiness, as records cannot be altered or forged. By integrating blockchain technology with QR code verification, this approach enhances consumer confidence, improves supply chain management, and provides an efficient solution to the widespread problem of counterfeit products.