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Decentralized trust framework for smart cities: a blockchain-enabled cybersecurity and data integrity model.

Rafiqul Islam1,2, Rajesh Bose2, Sandip Roy2

  • 1Computer Science and Engineering, Guru Nanak Institute of Technology, JIS Group, West Bengal, 700114, India.

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|July 2, 2025
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Summary
This summary is machine-generated.

This research introduces a Decentralized Trust Framework using blockchain and AI to enhance smart city cybersecurity and data integrity. The framework boosts performance and IoT device efficiency, creating more trustworthy urban ecosystems.

Keywords:
AI-Driven threat detectionBlockchain technologyData integrity and validationDecentralized trust frameworkLightweight adaptive Proof-of-Stake (LA-PoS)Smart City cybersecurity

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Urban Technology

Background:

  • Smart cities face cybersecurity and data integrity challenges due to IoT integration.
  • Existing systems struggle with trust management and vulnerability in urban infrastructures.

Purpose of the Study:

  • To propose a Decentralized Trust Framework for smart cities.
  • To address cybersecurity, data integrity, and trust management vulnerabilities.
  • To enhance the security, scalability, and efficiency of urban systems.

Main Methods:

  • Integration of blockchain technology, AI-driven threat detection, and a Lightweight Adaptive Proof-of-Stake (LA-PoS) consensus mechanism.
  • Implementation of a three-layer framework: Blockchain, Cybersecurity, and Data Integrity Protocol.
  • Utilizing cryptographic standards and AI-based anomaly detection for security.

Main Results:

  • Achieved a threefold increase in transaction throughput and a 30% reduction in latency.
  • Demonstrated a 98.2% threat detection rate with reduced false positives.
  • Enhanced energy efficiency, nearly doubling IoT device battery life.

Conclusions:

  • The framework offers secure, scalable, and efficient solutions for smart city applications like traffic management and energy systems.
  • Addresses critical gaps in current smart city technologies, fostering trustworthy urban ecosystems.
  • Future work includes improving interoperability, quantum-resistant cryptography, and expanding to new domains.