Sonti Swathi, Venkata Ratnam Ganji 03 06 Quality Assurance and Food Authenticity using Blockchain is an advanced system designed to improve transparency traceability and trust in the food supply chain The increasing incidents of food adulteration counterfeit products and lack of proper monitoring have raised serious concerns regarding food safety and consumer health Traditional food tracking systems often suffer from poor transparency data manipulation and inefficient record management To overcome these challenges blockchain technology provides a decentralized and tamperresistant platform for securely storing and sharing food supply chain information In the proposed system every stage of the food lifecycle including production processing packaging transportation and distribution is recorded as immutable transactions on the blockchain network Smart contracts are used to automate verification processes and ensure compliance with food quality standards Consumers suppliers farmers and regulatory authorities can access realtime product information such as origin manufacturing details storage conditions and authenticity verification through QR codes or digital tracking systems The integration of blockchain enhances food safety reduces fraud improves supply chain efficiency and increases consumer confidence This system provides a reliable solution for maintaining food quality assurance and ensuring authenticity in modern agricultural and food distribution industries Copyright (c) Journal of Science Engineering Technology and Management Science. All rights reserved 2026