Research in the International Journal of Information and Communication Technology has looked at potential security and privacy weaknesses in remote higher education systems, focusing on centralised virtual learning platforms.
The researchers explain that these platforms usually rely on a single administrative infrastructure for authentication, records, and content delivery. This, they suggest, creates a single point of failure, where disruption or compromise of the central system might then affect the entire environment. This could open up the possibility of data tampering, credential fraud, and unauthorised access, while undermining trust in online degrees.
The team suggests that blockchain technology, usually associated with digital, or crypto, currencies, has the potential to protect education systems, making them tamper-proof. Earlier work has been tried allowing simple static credential storage. But the new approach is dynamic and could be used for enrolment, course access and ongoing assessment, rather than being mainly a certificate verification system.
The team’s proposal of Blockchain-Enabled Secure Distance Learning (BESDL) represents a lifecycle-based framework covering the full education process. It uses smart contracts, self-executing rules on a blockchain, to manage decentralised identity management, secure content-based access control, and encrypted content delivery.
Tests suggest improved authentication speed, better security, and greater scalability under high concurrent student loads compared with conventional systems.
Chen, J. and Chang, X. (2026) ‘Blockchain-enabled secure distance learning platforms for higher education‘, Int. J. Information and Communication Technology, Vol. 27, No. 56, pp.1-31.