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A Two-Class Data Transmission Method Using a Lightweight Blockchain Structure for Secure Smart Dust IoT Environments.

Joonsuu Park1, KeeHyun Park1

  • 1Department of Computer Engineering, Keimyung University, Daegu 42601, Korea.

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|October 29, 2020
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Summary
This summary is machine-generated.

This study introduces a secure smart Internet of Things (IoT) transmission method using two blockchain ledgers for urgent and normal data. The proposed method significantly improves transmission time, showing up to a 96% increase in efficiency.

Keywords:
blockchaindata integrationinternet of thingslightweightsecuritysmart dusturgent data

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Area of Science:

  • Computer Science
  • Network Security
  • Internet of Things (IoT)

Background:

  • Smart dust IoT environments deploy numerous low-resource devices for data collection, facing challenges in efficiency and security.
  • Urgent data transmission and security concerns in hard-to-access IoT deployments require novel solutions.
  • Existing methods struggle to balance immediate data needs with overall system security and performance.

Purpose of the Study:

  • To propose an effective and secure data transmission method for smart IoT systems with two classes of sensed data.
  • To enhance the security and efficiency of data transmission in resource-constrained smart dust environments.
  • To address the challenge of prioritizing urgent data while maintaining security for normal data.

Main Methods:

  • Data is classified into two types: urgent sensed data and normal sensed data.
  • A dual-blockchain approach is implemented: a modified conventional blockchain for urgent data and a lightweight blockchain for normal data.
  • The proposed method prioritizes urgent data transmission over normal data transmission.

Main Results:

  • The proposed transmission method demonstrates superior performance compared to conventional methods across various metrics.
  • An average performance increase of 53% in transmission time was observed.
  • A significant improvement of up to 96% in performance was achieved when no urgent data was present, highlighting the efficiency of the lightweight blockchain for normal data.

Conclusions:

  • The proposed two-class data transmission method effectively enhances security and efficiency in smart IoT environments.
  • The dual-blockchain architecture successfully manages urgent and normal data transmissions.
  • The lightweight blockchain component proves highly efficient for normal data, contributing to overall system performance gains.