I. Introduction  

II. Preliminaries  

III. Blockchain for Web 3.0: A Decentralized and Trusted Web  

IV. AI for Web 3.0: An Intelligent and Semantic Web  

V. Edge Computing for Web 3.0: An Interconnected and Ubiquitous Web  

VI. Use Cases for Web 3.0  

VII. Challenges and Future Research Directions  

VIII. Conclusion