1. Meta. (2021, October 28). Founder's Letter, 2021. Retrieved January 12, 2022, from https:// about. fb. com/ news/2021/10/founders-letter/.
2. Gong Caichun, Du Zhenlei, Zhou Hua & Chen Guoxian. (2023). Definition and Related Thoughts of Term “Metaverse”. China Terminology (01),27-35.
3. Fang Wei & Fu Yuxiang.. Metaverse: conceptions, key technologies and applications Journal of Nanjing University of Information Science & Technology (Natural Science Edition).
4. Zhang Man, Yao Bo, Bao Fuhua & Wang Hui.(2021). Exploring the application value of blockchain in the high-quality development of tourism. Tourism Overview(05),11-13.
5. Huang Xiankai.(2020). Blockchain: Application Innovation in Tourism Industry and Future Development. Journal of Beijing Technology and Business University(Social Sciences)(05),1-10.