Blockchain-based Decentralized Identity Management for Smart Cities

• André Luiz Almeida Cardoso UFMA http://orcid.org/0000-0002-1380-6543
• Bruno Maciel Rotondaro UNIFESP https://orcid.org/0000-0002-9271-1365
• Luiz Gonzaga Penha UFMA
• Markus Endler PUC-Rio http://orcid.org/0000-0002-8007-9817
• Arlindo Flávio da Conceição UNIFESP https://orcid.org/0000-0002-7123-3990
• Francisco José da Silva e Silva UFMA http://orcid.org/0000-0001-8339-3679

DOI: https://doi.org/10.5753/sbseg.2022.224099

Abstract

Smart City is a paradigm capable of mitigating the problems caused by urbanization, transforming the city environment into something more sustainable. For the adoption of this paradigm, a relevant issue is the identity management of the various actors involved, which involves administrative units of municipal power, IoT devices, service providers and users. This work presents a model for decentralized identity management based on blockchain, specifically focused on the context of smart cities. Additionally, the model was explored to develop a security infrastructure integrated to a middleware platform for smart cities. This article describes the proposed model, its implementation, validation and evaluation, thus demonstrating its feasibility.

Keywords: Identity Management, Blockchain, Smart Cities, IoT

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