Abstract: With increase in new products, there is always a problem of counterfeits in almost every industry. It is essential to have a system which can check details of product and identify whether the product is genuine or counterfeit. Counterfeit plays vital role in today’s world as it can affect many industries resulting in loss of sales, reputation, profits, ideas. In order to fight these counterfeit products, we have used blockchain technology. Blockchain technology is a decentralized, distributed ledger that stores transactions in the form of blocks in many databases that are interlinked to each other via chains. Blockchain is stable and secure as it has immutable property due to which the data once stored in blockchain nodes cannot be modified. By using blockchain technology, there is no need for customers to rely on third party for confirming product originality. Our project uses QR (Quick Response) codes to combat the problem of counterfeit. QR code scanner will be used by the buyer to scan the product for genuineness, as the QR code of each product is connected to our blockchain. System will check product’s unique code with the entries in our blockchain database. If code matches, the notification will pop out to customer stating product is genuine. If not, customer will receive notification that product is counterfeit.

Keywords: Blockchain, Counterfeit, Supply chain, QR codes.

PDF | DOI: 10.17148/IJARCCE.2023.125181

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