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Multi-Layer Blockchain-Based Security Architecture for Internet of Things.

Houshyar Honar Pajooh1, Mohammad Rashid1, Fakhrul Alam1

  • 1Department of Mechanical and Electrical Engineering, Massey University, Auckland 0632, New Zealand.

Sensors (Basel, Switzerland)
|January 27, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a Multi-layer Blockchain Security model to enhance Internet of Things (IoT) network security. The model uses clustering and blockchain for secure device communication, improving performance over traditional methods.

Keywords:
authorizationblockchainevolutionary clusteringhyperledger fabricinternet of thingsscalabilitysecurity

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Area of Science:

  • Computer Science
  • Network Security
  • Distributed Systems

Background:

  • The Internet of Things (IoT) faces escalating security threats due to the proliferation of connected devices.
  • Existing security measures in 5G-enabled IoT networks struggle to address the complexity and scale of these challenges.
  • Blockchain technology offers a decentralized and immutable solution for enhancing IoT security.

Purpose of the Study:

  • To propose a novel Multi-layer Blockchain Security model for protecting 5G-enabled IoT networks.
  • To simplify the implementation of robust security measures within IoT ecosystems.
  • To enhance the security, credibility, and authentication mechanisms for device communications.

Main Methods:

  • Utilizing a hybrid Evolutionary Computation Algorithm (combining Simulated Annealing and Genetic Algorithms) for K-unknown clustering.
  • Implementing a multi-layer architecture with local private blockchains for cluster head to base station communication.
  • Deploying the open-source Hyperledger Fabric platform for model development and a global blockchain for base station intercommunication.

Main Results:

  • The proposed clustering algorithm demonstrates superior performance compared to existing approaches.
  • The lightweight blockchain model effectively balances network latency and throughput.
  • The model provides enhanced credibility assurance and a robust network authentication mechanism.

Conclusions:

  • The Multi-layer Blockchain Security model offers a viable and efficient solution for securing 5G-enabled IoT networks.
  • Clustering combined with a hybrid blockchain approach significantly improves network security and performance.
  • The proposed model is well-suited for resource-constrained IoT environments requiring high security and low latency.