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Blockchain-Based Secure Time Protection Scheme in IoT
Abstract
Internet of Things (IoT) has been developed rapidly to make our life easier. In many IoT applications (e.g., smart homes, healthcare, etc.), all the IoT devices should be synchronized in time. However, some malicious nodes located in the IoT network can influence the time synchronization, which may interrupt the IoT system and lead to serious accidents. Therefore, it is critical and challenging to guarantee the accuracy and consistency of time during the time synchronization among all the IoT devices. In this paper, we propose a blockchain-based scheme to assure the security during time synchronization in IoT. Specifically, a publicly verifiable ledger is utilized to record and broadcast time, which can minimize many attacks from external environments. The use of multiple time sources can avoid the vulnerabilities caused by the centralized generation of accurate time. Moreover, the decentralized structure of this scheme has the advantage of adapting the changes of network topology. By employing an improved practical Byzantine fault tolerance consensus mechanism, time synchronization can be implemented efficiently. At last, the analysis results show that our proposed scheme can achieve the desired security with high efficiency.
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Higher numbers of nodes may adversely affect system efficiency.
“In the same line of thought, Fan et al. (2018) also suggest that higher numbers of nodes may adversely affect system efficiency.”
From Blockchain in healthcare: A systematic literature review, synthesizing framework and future research agenda (2020) · cites this paper as Fan et al., 2018
There is a distinct lack of studies adopting a strategic perspective in organizational implementation of blockchain focusing on external attack prevention, value creation, or governance.
“Third, there is a distinct lack of studies that adopt a strategic perspective in the implementation of blockchain in an organization focusing on aspects such as prevention of external attacks (Guo et al., 2018;Fan et al., 2018), value creation or governance (Risius & Spohrer, 2017).”
From Blockchain in healthcare: A systematic literature review, synthesizing framework and future research agenda (2020) · cites this paper as Fan et al., 2018
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References 32 · Cited by 78
Research works printed but not linked: 28
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Metadata
- Authors
- Fan, K., Wang, S., Ren, Y., Yang, K., Yan, Z., Li, H., & Yang, Y.
- Affiliations
- Xidian University (CN)
- University of Memphis (US)
- Venue
- IEEE Internet of Things Journal
- Published
- 2019-06
- Volume
- 6
- Issue
- 3
- Pages
- 4671-4679
- ISSN
- 2327-4662 (ISSN-L)
- 2372-2541
- OpenAlex
- W2895650323
- Cited by
- 78
- References
- 32
- Citations by year
- 2026: 3 · 2025: 6 · 2024: 6 · 2023: 14 · 2022: 14 · 2021: 11 · 2020: 16 · 2019: 8
- FWCI
- 14.12
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- IEEE Internet of Things Journal (publishedVersion)
- Funders
- National Basic Research Program of China (2017YFB0802300)
- National Natural Science Foundation of China (61772403, U1401251)
- Natural Science Basic Research Plan in Shaanxi Province of China (2017JM6004)
- Fundamental Research Funds for the Central Universities
- National 111 Program of China (B16037, B08038)
- Topics
- Physical Sciences › Computer Science › Information Systems › Blockchain Technology Applications and Security
- Physical Sciences › Computer Science › Computer Networks and Communications › Network Time Synchronization Technologies
- Physical Sciences › Computer Science › Computer Networks and Communications › IoT and Edge/Fog Computing
- Keywords
- blockchain, clock synchronization, Internet of Things security, malicious node attacks, Byzantine fault tolerance, consensus algorithms, distributed ledger technology, network topology changes
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