Smart city can be transformed into a smart society by adopting emerging technologies. This paper provides a comprehensive literature review on the security issues affecting the deployment of smart city blockchain systems. This paper discusses solutions of blockchain security enhancement in detail and summarizes key points that can be used to develop various block-based intelligent management systems. In addition, future research directions are explored, including new security recommendations and future guidelines for sustainable smart city ecosystems. 

Zhiqi Qian. The Integration of Blockchain and Artificial Intelligence for a Smart City. Academic Journal of Computing & Information Science (2021), Vol. 4, Issue 8: 37-41. https://doi.org/10.25236/AJCIS.2021.040807.

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