Editors' Biography xvi -- List of Contributors xix -- Preface xxiv -- Acknowledgments xxv -- Introduction xxvi -- 1 Metaverse: An Introduction Lik-Hang Lee, Dimitris Chatzopoulos, Pengyuan Zhou, and Tristan Braud -- 1.1 Introduction 1 -- 1.2 The Metaverse: Fantasy, Text, 3DWorlds 3 -- 1.3 The Rise of Edge Computing 4 -- 1.4 Universality, Interoperability, and Openness 6 -- 1.5 Steps Toward Mobile User InteractionWithin the Metaverse 9 -- 1.6 Bringing Users' Profiles and Assets on the Metaverse 10 -- 1.7 Conclusions and Future Research Directions 12 -- 2 Potential Applications and Benefits of Metaverse 17 Mshari Aljumaie, Hieu Chi Nguyen, Nam H. Chu, Cong T. Nguyen, Diep N. Nguyen, Dinh Thai Hoang, and Eryk Dutkiewicz -- 2.1 Metaverse Applications for Entertainment 17 -- 2.2 Virtual Office in Metaverse 22 -- 2.3 Education 27 -- 2.4 Metaverse for Healthcare Services 31 -- 2.5 Metaverse for Autonomous Vehicles 32 -- 2.6 Metaverse for Virtual Travelling 33 -- 2.7 Conclusions and Future Research Directions 34 -- 3 Metaverse Prototype: A Case Study 39 Haihan Duan and Wei Cai -- 3.1 Overview 39 -- 3.2 Newbie at CUHKSZ 42 -- 3.3 CUHKSZ Metaverse 47 -- 3.4 Conclusions and Future Research Directions 59 -- 4 Wireless Technologies for the Metaverse 63 Hongliang Zhang, Shiwen Mao, and Zhu Han -- 4.1 Introduction 63 -- 4.2 XR over NR: Standardization in 3GPP 64 -- 4.3 Case Study: Location-Dependent AR Services in theWireless Edge-Enabled Metaverse 67 -- 4.4 Conclusions and Future Research Directions 81 -- 5 AI and Computer Vision Technologies for Metaverse 85 Thien-Huynh The, Quoc-Viet Pham, Xuan-Qui Pham, Tan Do-Duy, and Thippa Reddy Gadekallu -- 5.1 Introduction 85 -- 5.2 AI for the Metaverse 87 -- 5.3 Computer Vision for the Metaverse 101 -- 5.4 Conclusions and Future Research Directions 115 -- 6 Virtual/Augmented/Mixed Reality Technologies for Enabling Metaverse 125 Howe Yuan Zhu and Chin-Teng Lin -- 6.1 Introduction 125 -- 6.2 Virtual Reality 129 -- 6.3 Augmented Reality 135 -- 6.4 Mixed Reality 139 -- 6.5 Conclusions and Future Research Directions 143 -- 7 Blockchain for the Metaverse: State-of-the-Art and Applications 157 Pawan Kumar Hegde, Rajeswari Chengoden, Nancy Victor, Thien Huynh The, Sweta Bhattacharya, Praveen Kumar Reddy Maddikunta, Thippa Reddy Gadekallu, and Quoc-Viet Pham -- 7.1 Introduction 157 -- 7.2 Background 161 -- 7.3 Use Cases of Blockchain for the Metaverse 167 -- 7.4 Projects 174 -- 7.5 Conclusions and Future Research Directions 176 -- 8 Edge Computing Technologies for Metaverse 183 Minrui Xu and Dusit Niyato -- 8.1 An Overview of Edge-enabled Metaverse 184 -- 8.2 Opportunities and Challenges in the Edge-enabled Metaverse 191 -- 8.3 Edge-Enabled Metaverse: Release the Ubiquitous Computing and Intelligence at the Edge 194 -- 8.4 Conclusions and Future Research Directions 199 -- 9 Security Issues in Metaverse 205 Yuntao Wang, Zhou Su, Ning Zhang, Dongxiao Liu, Rui Xing, Tom H. Luan, and Xuemin Shen -- 9.1 Overview of Security and Privacy Threats in Metaverse 205 -- 9.2 Threats and Countermeasures to Authentication and Access Control in Metaverse 207 -- 9.3 Threats and Countermeasures to Data Management inMetaverse 212 -- 9.4 Privacy Threats and Countermeasures in Metaverse 216 -- 9.5 Network-Related Threats and Countermeasures in Metaverse 222 -- 9.6 Economy-Related Threats and Countermeasures in Metaverse 225 -- 9.7 Threats to PhysicalWorld and Human Society and Countermeasures in Metaverse 228 -- 9.8 Governance-Related Threats and Countermeasures in Metaverse 230 -- 9.9 Conclusions and Future Research Directions 232 -- 10 IoT-Assisted Metaverse Services 241 Yue Han, Cyril Leung, and Dong In Kim -- 10.1 Why Need IoT for Metaverse Services 241 -- 10.2 How to Use IoT for Metaverse DTs 246 -- 10.3 A Dynamical Hierarchical Game-Theoretical Approach for IoT-Assisted Metaverse Synchronization 249 -- 10.4 Conclusions and Future Research Directions 260 -- 11 Quantum Technologies for the Metaverse: Opportunities and Challenges 267 Mahdi Chehimi and Walid Saad -- 11.1 Introduction 267 -- 11.2 Preliminaries 270 -- 11.3 Quantum Computing for a Faster Metaverse 274 -- 11.4 Quantum Machine Learning for Contextual Metaverse 277 -- 11.5 Quantum Communications for Secure Metaverse 281 -- 11.6 Conclusions and Future Research Directions 285 -- 12 The Metaverse with Life and Everything: An Overview of Privacy, Ethics, and Governance 293 Lik-Hang Lee, Carlos Bermejo, and Pan Hui -- 12.1 Introduction 293 -- 12.2 Privacy and Security 295 -- 12.3 Governance 299 -- 12.4 Creation, Social Good, and Ethical Design 302 -- 12.5 Conclusions and Future Research Directions 308 -- Bibliography 308 -- Index 311.