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Smart city article details

Title	Blockchain-Empowered Cloud Architecture Based On Secret Sharing For Smart City
ID_Doc	12679
Authors	Cha, J; Singh, SK; Kim, TW; Park, JH
Year	2021
Published	JOURNAL OF INFORMATION SECURITY AND APPLICATIONS, 57
DOI	http://dx.doi.org/10.1016/j.jisa.2020.102686
Abstract	Recent advances in information technology go beyond the simple convenience offered to individuals, leading to smart city technology that provides urban facilities and better quality of life. Smart City is a heterogeneous system consisting of a large IoT-based network, offering various applications for citizens by collecting and analyzing real-time information. As intelligent, efficient digital systems, smart cities manage data by digitalizing all information. Despite the potential benefits of smart cities for citizen convenience, this digital information service can give rise to security and privacy issues. In particular, the challenge of relying on the Cloud Service Provider (CSP) is that it is difficult for individuals to manage large amounts of data in smart city environments. In this paper, we study blockchain and Secret Sharing to address personal information protection issues in external cloud services and improve data integrity and security by designing a distributed system. CSPs are connected in a blockchain to validate user data integrity and provide easy data access through Transaction. CSP uses the blockchain to store distributed users' information safely through the Secret Sharing algorithm as a distributed system with improved security of existing centralized systems. The proposed approach demonstrates improved security and privacy through security analysis and has faster transaction speed and data storage efficiency than existing research.
Author Keywords	Blockchain; Cloud computing; Secret sharing; Security; Smart city

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