Ingredients tracing using blockchain for rapid product recall

Leow, Pei Yi (2023) Ingredients tracing using blockchain for rapid product recall. Final Year Project, UTAR.

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Abstract

Security plays an important role in the food supply chain because contaminated food products may contain viruses that can threaten human health. The manufacturer and government noticed the consumers' concern towards the food's quality. Hence, in the event of food contamination, product recall must be conducted rapidly to minimise the likelihood of contaminated products reaching consumers. However, it is difficult and time-consuming for the manufacturer to recall the contaminated products that have been distributed around the world or used by other manufacturers to produce other products. This induces a health risk as some consumers have consumed the contaminated product before they notice the recall announcement on the news. Therefore, this project aims to develop an application system of ingredient tracing using blockchain to ensure that the manufacturer can rapidly recall contaminated products from the market and consumers while the consumer can check the status of the product through a QR code. In this project, blockchain technology is used to ensure that all the product information is transparent and immutable. The main focuses of this project are to develop a decentralized application to allow the manufacturer to add product information, trace the ingredient status, set predefined rules using the smart contract, generate the QR code for each product batch, and alert the merchants and consumers who have received or registered the contaminated product while allowing the consumer to view the product information through the QR code. In conclusion, this project will provide the necessary information to the consumer to assist the manufacturer to recall the contaminated product from the consumer within a short time.

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