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Establishing and sustaining Metaverse service necessitates an unprecedentedscale of resources. This paper considers the deployment of Metaverse service ina cloud-edge resource architecture, which can satisfy the escalating demand forMetaverse service resources while ensuring both high bandwidth and low latency.We propose a novel mechanism, named Reliable and Secure Metaverse Service(RSMS), to ensure Metaverse service reliability and security withoutsacrificing performance. RSMS consists of two protocols: (1) One is ablockchain-based lightweight mutual authentication protocol concerningheterogeneous Metaverse service resource nodes (RNs) dynamically joining aMetaverse service resource pool while guaranteeing their trustworthiness, whichguarantees the security of Metaverse service. (2) The other is a groupauthentication protocol used to form and maintain a stable and secure Metaverseservice group composed by RNs, which ensures the reliability and enhances thesecurity of Metaverse service. The reliability and security of Metaverseservice under RSMS are thoroughly discussed, and informal and formal securityanalysis are conducted. Additionally, we study the impact of RSMS on Metaverseservice throughput, demonstrating its lightweight feature.

RSMS: Towards Reliable and Secure Metaverse Service Provision