Verification of Ph.D. Certificate Using QR Code on Blockchain Ethereum by Noorhizam, Nur Khairunnisa, Abdullah, Zubaile, Kasim, Shahreen, Isredza Rahmi A Hamid, Isredza Rahmi A Hamid, Mat Isa, Mohd Anuar

“…The system was developed using Solidity for the smart contract, PHP, HTML/CSS for the web-based implementation, and MetaMask for blockchain integration. …”
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