A Hyperledger Fabric-based digital diploma management system

The relevance of the study is due to the global problem of falsification of educational documents, which causes significant damage to employers, educational institutions, and society as a whole. In this regard, the article aims to develop and analyze a decentralized system for verification and storage of diplomas based on the Hyperledger Fabric blockchain platform. A distributed system architecture was designed with the participation of key stakeholders: universities, employers, and the Ministry of Education. A system prototype has been implemented, including smart contracts for issuing, verifying, and revoking diplomas, and endorsement policies and private channels have been configured to ensure confidentiality. A comparison of the proposed Hyperledger Fabric-based system with traditional centralized systems and public blockchains is provided. The results showed that the proposed solution ensures data immutability, instant verification of authenticity, and eliminates the need for a centralized trusted intermediary. Thus, the use of Hyperledger Fabric opens up prospects for creating transparent, secure, and efficient national and international systems for managing educational documents. The virtual machines are publicly available. The materials of the article are of practical value to specialists in the field of blockchain technologies, digitalization of education, and human resource management.

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