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Intelligent manufacturing security model based on improved blockchain.

Jia He Xu1, Yuan Tian2, Ting Huai Ma3

  • 1School of Automation, Southeast University, Nanjing 211189, China.

Mathematical Biosciences and Engineering : MBE
|October 30, 2020
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Summary
This summary is machine-generated.

Blockchain enhances Industrial Internet of Things (IIoT) security in smart factories. A novel Concurrent Merkle Patricia Tree (CMPT) improves data operations and block construction speed for IIoT devices.

Keywords:
Industrial Internet of ThingsMerkle Patricia treeblockchainconcurrent data structuresmart manufacturing

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Industrial Engineering

Background:

  • Industrial Internet of Things (IIoT) systems face challenges with single points of failure, stability, and high maintenance costs as node and network scales increase.
  • Blockchain technology offers security, privacy, non-tamperability, and distributed deployment benefits that can address IIoT limitations.

Purpose of the Study:

  • To propose an intelligent manufacturing security model leveraging blockchain technology.
  • To address the limitations of traditional blockchains (high power consumption, low throughput) for power-constrained IoT devices.
  • To enhance blockchain structure for efficient node status querying and data operation performance.

Main Methods:

  • Developed an intelligent manufacturing security model based on blockchain.
  • Introduced a Merkle Patricia Tree (MPT) extension to the blockchain for fast node status querying.
  • Proposed a lock-free Concurrent and Cache-based Merkle Patricia Tree (CMPT) to improve data operation efficiency and concurrency in multi-core systems.

Main Results:

  • The proposed blockchain model enhances security for smart factories.
  • The CMPT significantly reduces time complexity for data insertion and query operations compared to the original MPT.
  • The CMPT improves the speed of block construction and data query, making it suitable for high-volume data operations.

Conclusions:

  • The blockchain-based security model effectively addresses IIoT vulnerabilities.
  • The CMPT provides a more efficient and scalable data management solution for IIoT systems.
  • This research contributes to more robust and performant smart factory infrastructure.