Verifiable Authentication and Issuance of Academic Certificates Using Permissioned Blockchain Network

Verifiable Authentication and Issuance of Academic Certificates Using Permissioned Blockchain Network

Erukala Suresh Babu (National Institute of Technology, Warangal, India), B. K. N. Srinivasarao (National Institute of Technology, Warangal, India), Ilaiah Kavati (National Institute of Technology, Warangal, India) and Mekala Srinivasa Rao (Lakireddy Bali Reddy College of Engineering, Mylavaram, India)
Copyright: © 2022 |Pages: 24
DOI: 10.4018/ijisp.2022010107
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Fake certificates pose a severe problem in today's world; they vouch for an individual's false skillset and put an organization's reputation at risk. Moreover, the existing verification process is performed in a centralized manner, often too cumbersome and time-consuming to the end-user, lacking transparency in the educational institutions' Issuance of certificates. Of-late, blockchain is a promising technology that provides transparent, secure, and reliable features, which offers solutions to the education sector. This paper provides the solution to the educational certification problem by employing the blockchain network. We proposed a permissioned blockchain network that identifies, authenticates the Issuer, adequate verification, securely shares academic records to the recipients, and stores the certificate credentials in the blockchain in a distributed manner.
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1. Introduction

Certificates are documents that serve as proof of a specific education received by a person or a series of tests that (s) he has qualified. They are signals of achievements or memberships and are proof of a person’s skill sets. Usually vouched by a trustworthy organization in the respective field, they mark excellence in education fields (Bessa, E. E., & Martins, J. S. (2019) ; Yumna, H., Khan, M. M., Ikram, M., & Ilyas, S. (2019, April). Degrees issued by universities vouch for the professional skill sets of an individual in numerous various areas. The current system for the Issuance of certificates is predominantly analog, making it slow and introduces innumerable complications, which essentially renders it unreliable. For any certificate provided by a candidate applying for a job, the verification process has to be tunneled to the respective institute that issued the certificate in the first place. The problem aggravates when it needs to be verified where the institute is not fraudulent and whether it issued that certificate to that applicant. The only way out in general is to check the institute's validity by the government authority to which it is affiliated; after that, request the institute to verify the applicant's credentials. Intuitively, we can observe the complications that arise with such a system. One of the solutions prevalent is to issue online certificates secured using cryptographic methods, but that predominantly makes sending and receiving the certificates easier. Still, the problems of credibility of the Issuer and the validity of the certificates remain a problem. Fraudulent online certificates are also a threat to this system. Certification is plagued by the threat of fake certificates, which affects such an essential and vital document's trust value. The essence of certification is fundamental in everyday life. There are many advantages to creating a digital infrastructure for certificates. Still, it involves a trusted third party, incurs the additional cost, and for each attempt to verify a certificate's credentials, the third-party entity needs to be contacted. Another bottleneck that surfaces are the case where a certificate needs to be revoked due to some discrepancies. The issuing authority can forward the request to the trusted third party. Still, even after cancellation, the recipient has a copy of the original one, which can be misused, i.e., a dynamic mechanism for certificate validation is absent, which can add a temporal dimension to each validation attempt to any copy of the certificate that ever existed. This paper provides the solution to the educational certification problem by employing the blockchain network. This network work as a trusted system for securing, transparent, sharing, and verifying academic achievements that can be applied to the non-formal and formal education sector to safeguard their brands and reputations. Specifically, this network manages the academic credentials in distributed nature, recorded and immutable; new entries are initiated and validated without any third-party intermediaries as the keeper of trust. Further, the participants of the blockchain network (BN) can certify the integrity of the whole. To achieve this, first, we will create a blockchain network for issuing certificates. Second, establishing the cryptographic identity management system for different participants. Third, ensuring the integrity, transparent Issuance, and more effortless verification procedure for all participants by eliminating a trusted third party requirement. Hence, we provide a scalable, efficient, and durable network for educational institutions, which ensures transparency, immutability, trust, and ease of use to all participants.

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