The increase in the rate of academic certificate forgery and the inadequacies of the traditional verification methods have necessitated the creation of a more secure and efficient credential management system. Current verification methods are mostly manual and rely on centralized databases that are vulnerable to data breaches, malicious changes, single points of failure and long verification times. The increase in the rate of academic certificate forgery and the inadequacies of the traditional verification methods have necessitated the creation of a more secure and efficient credential management system. Current verification methods are mostly manual and rely on centralized databases that are vulnerable to data breaches, malicious changes, single points of failure and long verification times. The proposed system allows authorized educational institutions to securely issue, manage, verify, revoke and maintain the integrity and authenticity of credential records and issue academic certificates. Each certificate is assigned a unique cryptographic hash generated by the SHA-256 hashing algorithm, which is then permanently stored on the Ethereum Sepolia blockchain network. After being stored on the block chain, the certificate data cannot be altered or deleted and is tamper-proof, which prevents forgery and unauthorized changes. The application layer connects to the blockchain through a back-end system developed with the Go programming language, facilitating secured and efficient operations in relation to certification. Every certificate created can also be related to a unique QR code, which makes verification easier at any time. The authenticity of the certificate can be verified either by uploading the certificate document or by directly scanning the provided QR code. In this case, users are not required to create an account or to have access to the organization’s databases. The proposed solution increases security, transparency, accessibility, and trust by reducing both verification time and administrative costs.
Blockchain; Academic Certificate Verification; Certificate Revocation; Ethereum Sepolia; SHA-256; Smart Contracts; QR Code; Go Programming Language.
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