| Abstract |
With the continuous emergence of smart cities around the world, not only the economic development has been improved, but also the convenience of people's life has been improved. However, in the construction of smart cities, a large number of data references have been leaked, causing people to panic about privacy information. Firstly, this paper summarizes the security and privacy issues in smart city based on the literature about smart city and then summarizes the classification, characteristics and applications of blockchain applied in smart city. Finally, according to the wisdom of the city construction, according to the data acquisition, recording, and analysis of the privacy and security issues of wisdom city in the future were brought forward the research question, research methods in data security and data privacy, and data security and privacy protection for the study of wisdom city provided an important research direction, to fill the gaps in this field. |