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Sensors 2018, 18(12), 4268;

Hybrid Blockchain and Internet-of-Things Network for Underground Structure Health Monitoring

Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
Author to whom correspondence should be addressed.
Received: 22 October 2018 / Revised: 24 November 2018 / Accepted: 2 December 2018 / Published: 4 December 2018
(This article belongs to the Section Internet of Things)
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The Internet-of-things (IoT) and blockchain are growing realities of modern society, and both are rapidly transforming civilization, either separately or in combination. However, the leverage of both technologies for structural health monitoring (SHM) to enable transparent information sharing among involved parties and autonomous decision making has not yet been achieved. Therefore, this study combines IoT with blockchain-based smart contracts for SHM of underground structures to define a novel, efficient, scalable, and secure distributed network for enhancing operational safety. In this blockchain-IoT network, the characteristics of locally centralized and globally decentralized distribution have been activated by dividing them into core and edge networks. This division enhances the efficiency and scalability of the system. The proposed system was effective in simulation for autonomous monitoring and control of structures. After proper design, the decentralized blockchain networks may effectively be deployed for transparent and efficient information sharing, smart contracts-based autonomous decision making, and data security in SHM. View Full-Text
Keywords: blockchain; smart contract; structural health monitoring (SHM); Internet-of-Things (IoT) blockchain; smart contract; structural health monitoring (SHM); Internet-of-Things (IoT)

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Jo, B.W.; Khan, R.M.A.; Lee, Y.-S. Hybrid Blockchain and Internet-of-Things Network for Underground Structure Health Monitoring. Sensors 2018, 18, 4268.

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