Browsing by Author "Lim, Hon Sheang"

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    ScholarChain: Blockchain-Driven Framework for E-Transcript Validation
    (PCN, 2025-05-06) Lim, Hon Sheang
    With the world becoming more digital and interconnected, authenticating academic qualificationsis still manual, takes time, and is vulnerable to forgery. ScholarChain seeks to solve this problem through a blockchain-based web application to safely provide, maintain, and authenticate academic transcripts. The system leverages Ethereum smart contracts on the Sepolia testnet to ensure data integrity, immutability, and transparency, while MongoDB Atlas supports scalable data storage. ScholarChain allows universities to issue tamper-proof transcripts, students to share verifiable academic records, and employers to authenticate credentials in real-time—eliminating the reliance on traditional paper-based verification. A key innovation in the system is the incorporation of gamification features, which award blockchain-based digital badges for academic achievements, enhancing student motivation and visibility of accomplishments. The system was developed using a modular architecture comprising frontend, backend, and smart contract layers and was subjected to rigorous functional, security, and performance testing. While limitations such as smart contract immutability, usability challenges for nontechnical users, and dependency on blockchain infrastructure were identified, ScholarChain demonstrates a secure and scalable foundation for transforming academic credentialing. Future work will focus on deploying to Ethereum Layer-2 solutions, enhancing gamification, implementing smart contract upgradability, and achieving cross-institutional interoperability.