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article · International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering

Security and privacy in smart city: a secure e-voting system based on blockchain

202238 citationsOpen accessAbdelmalek Essaâdi University

In plain language

The expansion of the internet of things has supported the rise of smart cities, which integrate connected devices and communication systems to enhance services across sectors like transport, health, agriculture, and business. However, these interconnected environments introduce critical cybersecurity threats that require robust protective measures. Cryptographic blockchain technology offers a viable solution to safeguard smart city infrastructures by providing decentralisation, transparency, and high security. By reviewing various blockchain applications within urban environments, key characteristics that improve municipal services are identified. This review underpins the development of an electronic voting model that operates via smart contracts on the Ethereum blockchain. Such a system serves as a practical demonstration of how decentralised digital ledgers can establish secure, tamper-resistant municipal mechanisms and protect essential civic processes against malicious intrusion.

Key takeaways

  • Smart city networks integrating internet of things devices across sectors face substantial cybersecurity risks.
  • Blockchain features including transparency, decentralisation, and cryptographic security can protect smart city services.
  • An electronic voting model using Ethereum smart contracts demonstrates secure blockchain implementation in smart cities.

Why it matters

Smart cities offer major improvements to public services and urban administration, but increasing connectivity introduces severe vulnerabilities to cyberattacks. Using decentralised blockchain systems can protect civic infrastructure and public engagement mechanisms, such as voting, ensuring that essential digital services remain secure, transparent, and resilient against unauthorised manipulation.

Commercialisation angle

The proposed electronic voting model could enable secure, decentralised polling applications for local governments and civic organisations seeking tamper-resistant voting platforms. However, the abstract presents this work as an initial model and conceptual implementation based on Ethereum smart contracts to highlight security potential. As a result, the work remains at an early stage of development and requires further real-world testing before practical deployment.

AI-generated from the published abstract. Always read the original work before citing.

Abstract

In recent years, the internet of things (IoT) growth has brought about many technological changes, including the emergence of the notion of the smart city. The development of a smart city requires the integration of IoT devices and information and communication technologies to improve the quality of lives of citizens in many areas such as health, economy, business, agriculture, and transport. However, with this evolution, many cybersecurity risks and challenges have been raised, so it is necessary to develop these technologies in a protected way to avoid being compromised by attackers. Blockchain, being a new technology based on cryptographic principles, can play an important role in securing smart cities. In this survey, we discussed different applications of blockchain technology in smart cities and also studied how blockchain features (transparency, democracy, decentralization, and security) can help in the improvement of smart city services. This analysis will help us to implement an electronic voting model using a smart contract based on the Ethereum blockchain to highlight how blockchain technology can be implemented in smart cities to promote security.

Research topics

  • Blockchain Technology Applications and Security
  • Internet Traffic Analysis and Secure E-voting
  • Privacy, Security, and Data Protection

Read the original research

This page summarises published work. The authoritative version sits with the publisher.

DOI: 10.11591/ijece.v13i2.pp1848-1857

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