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Blockchain Beyond Cryptocurrency: A Decentralized Approach to Urban Security
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Author(s): Yahaya Saidu (Universiti Teknologi PETRONAS, Malaysia & Taraba State University, Jalingo, Nigeria), Shuaibu Yau (Federal University Birnin Kebbi, Nigeria), Daniel Tonye Oyefidein (Universiti Teknologi PETRONAS, Malaysia), Aliyu Garba (Universiti Teknologi PETRONAS, Malaysia)and Dahiru Adamu Aliyu (Universiti Teknologi PETRONAS, Malaysia)
Copyright: 2026
Pages: 36
Source title:
Navigating Cybersecurity and Privacy in the Evolution of Smart Urban Ecosystems
Source Author(s)/Editor(s): Asmaa Mahfoud Alhakimi (Management and Science University, Malaysia), Safaa Najah Saud Al-Humairi (Management and Science University, Malaysia), Saddaf Rubab (University of Sharjah, UAE)and I. Wayan Budi Sentana (Bali State Polytechnic, Indonesia)
DOI: 10.4018/979-8-3373-4455-3.ch003
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Abstract
As cities become more digitally governed, centralized infrastructures face growing risks across identity, safety, and data domains. This chapter reframes blockchain as a foundational trust protocol for urban resilience, emphasizing its core features: immutability, decentralization, transparency, and consensus, as tools to address systemic privacy and security challenges. It explores blockchain's role in securing digital identities, logging infrastructure events, and enabling auditable governance. Real-world deployments in land registries, voting, procurement, and incident response, especially in Asia and Europe are analyzed. Privacy-preserving techniques like zero-knowledge proofs and decentralized identity are also examined. The chapter highlights integration hurdles such as interoperability, regulatory gaps, and ethical tensions, while outlining emerging trends like Blockchain 4.0, quantum-safe cryptography, and DAO-led civic participation. It offers a roadmap for decentralized citizen-centric governance in smart cities.
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