NOTA: a novel online teaching and assessment scheme using Blockchain for emergency cases

Area of Science:

• Educational Technology
• Computer Science
• Blockchain Applications

Background:

• Traditional e-learning solutions often integrate with face-to-face learning.
• Emergency situations, such as the COVID-19 pandemic, can disrupt conventional educational delivery.
• There is a need for robust online systems that maintain educational continuity and integrity.

Purpose of the Study:

• To introduce NOTA, a novel online teaching and assessment scheme.
• To leverage Blockchain technology for enhanced e-learning.
• To ensure teaching quality, assessment fairness, and schedule adherence during disruptions.

Main Methods:

• Implementation of a Blockchain-based framework for online education.
• Integration of incentive strategies within the Blockchain system to motivate participants.
• Utilizing NOTA during the COVID-19 pandemic for preliminary testing.

Main Results:

• NOTA successfully maintained teaching quality and assessment fairness.
• The scheme adhered to course and examination schedules despite pandemic-related challenges.
• Preliminary results indicated a satisfaction ratio exceeding 90% among users.
• Blockchain's incentive mechanisms positively impacted learner and teacher engagement.

Conclusions:

• NOTA demonstrates a viable and effective solution for emergency remote teaching and assessment.
• Blockchain technology offers a secure and motivating platform for e-learning ecosystems.
• The high satisfaction rate suggests significant potential for scaling the NOTA system.