Volume no :
10 |
Issue no :
1
Article Type :
Google Scholar
Author :
Priyanka.V, Suganth M, Kathikeyan S, Bharath Vaj J, Vijaymani M
Published Date :
08 - April - 2026
Publisher :
Journal of Artificial Intelligence and Cyber Security (JAICS)
Page No: 1 - 7
Abstract : Agricultural supply chains are plagued by opacity, fraud, and inefficiencies that harm farmers, distributors, and consumers alike. Existing traceability systems either rely on centralised databases susceptible to tampering or require complex infrastructure unsuitable for smallholder farmers. This paper proposes a Blockchain-Based Framework for Transparent Agricultural Supply Chains Using QR Code Traceability — a system that records every produce batch on the Ethereum blockchain at the point of harvest and generates a unique QR code for consumer-facing verification. The framework employs a Solidity 0.8.x smart contract deployed on the Ethereum Sepolia testnet, enforcing role-based access control at each supply chain stage. Each batch QR code encodes a verifiable URL that consumers can scan using any smartphone browser to instantly retrieve the complete provenance history without any wallet or application installation. A web-based interface enables farmers to register batches and update statuses, while consumers access immutable records in real time. The system was evaluated against eight functional and security test cases on a live testnet deployment, all of which passed successfully. The framework supports United Nations Sustainable Development Goals 2, 8, 9, 12, and 16.
Keyword blockchain, Ethereum, smart contracts, QR code, supply chain transparency, food traceability, Solidity, agricultural technology, decentralised ledger, consumer verification.
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