Privacy-Preserving Lecture Sharing in Metaverse

Metaverse has received significant attention as more individuals are interested in developing virtual environments and exploring digital worlds. The educational Metaverse has attracted particular interest, as it offers the potential for highly immersive and interactive learning experiences. Nevertheless, developing an educational metaverse faces several challenges, such as system robustness, latency, and data privacy and security. Blockchain technology provides a decentralized and secure approach to data management and storage. This paper provides a privacy-preserving lecture-sharing scheme for the educational Metaverse by using attribute-based encryption. Our approach ensures that only authorized students can access lecture materials while maintaining data privacy and security. Furthermore, we implemented a prototype of this platform on the Ethereum test network, illustrating the effectiveness of our solution in improving the efficiency of lecture sharing while guaranteeing data privacy.