Verification of Ph.D. Certificate using QR Code on Blockchain Ethereum

Nur Khairunnisa Noorhizama - Universiti Tun Hussein Onn Malaysia, Batu Pahat, Johor, 86400, Malaysia
Zubaile Abdullah - Universiti Tun Hussein Onn Malaysia, Batu Pahat, Johor, 86400, Malaysia
Shahreen Kasim - Universiti Tun Hussein Onn Malaysia, Batu Pahat, Johor, 86400, Malaysia
Isredza Rahmi A Hamid - Universiti Tun Hussein Onn Malaysia, Batu Pahat, Johor, 86400, Malaysia
Mohd Anuar Mat Isa - iExploTech Sdn. Bhd., Cyberview CoPlace 1, Cyberjaya, Selangor, 42100, Malaysia


Citation Format:



DOI: http://dx.doi.org/10.30630/joiv.7.3.1584

Abstract


One of the major challenges the university faces is to provide real-time verification of their student's degree certification upon request by other parties. Conventional verification systems are typically costly, time-consuming and bureaucratic against certificate credential misconduct. In addition, the forgery of graduation degree certificates has become more efficient due to easy-to-use scanning, editing, and printing technologies. Therefore, this research proposes verifying Ph.D. certificates using QR codes on the Ethereum blockchain to address certificate verification challenges. Blockchain technology ensures tamper-proof and decentralized management of degree certificates as the certificates stored on the blockchain are replicated across the network. The issuance of certificates requires the use of the issuer's private key, thus preventing forgery. The system was developed using Solidity for the smart contract, PHP, HTML/CSS for the web-based implementation, and MetaMask for blockchain integration. User testing confirmed the successful implementation and functionality of the system. Users can add, update, and delete certificates, generate and scan QR codes, and receive instant verification feedback. The verification system effectively meets all requirements, providing a robust solution for validating Ph.D. certificates. Future research may focus on scalability and adoption, privacy and data protection, user experience, and integration with existing systems. Other researchers can optimize the verification system for widespread adoption and utilization by exploring these areas. This research contributes to securing and efficiently verifying academic certificates using QR codes on the Ethereum blockchain. Ultimately, this work advances the field of certificate verification and promotes trust in academic credentials.

Keywords


Blockchain; smart contract; ethereum; decentralized application; certificate verification

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References


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