Local directed acyclic graph blockchain in wireless Internet of Things

Yang Changlin1,2
Wang Jiguang1
Wang Qing3
1. School of Computer Science, Zhongyuan University of Technology, Zhengzhou 451191, China
2. School of Software Engineering, Sun Yat-Sen University, Zhuhai Guangdong 519082, China
3. School of Electrical & Information Engineering, Tianjin University, Tianjin 300072, China

Abstract

This paper proposed a local directed acyclic graph blockchain(LDB) to reduce the storage and communication requirements of blockchain, which could be applied in wireless Internet of Things(WIoT). In the proposed LDB, a WIoT node only needed to store its own generated data and hash values that derived from the data of its neighbor nodes. This enables storage and transmission resourced restricted WIoT nodes to operate blockchain. The proposed LDB included a simple data verification procedure to guarantee data integrity. In particular, this paper proposed a malicious nodes detection mechanism to effectively discover data manipulation. The simulation results show that when there are 500 nodes, LDB reduces the average storage cost by 99.8%, the average transmission cost by 66.2%, and the maximum link capacity by 28 times compared with state-of-art DAG blockchains.

Foundation Support

国家自然科学基金资助项目(61802454)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2022.02.0063
Publish at: Application Research of Computers Printed Article, Vol. 39, 2022 No. 9
Section: Technology of Blockchain
Pages: 2597-2602
Serial Number: 1001-3695(2022)09-005-2597-06

Publish History

[2022-04-29] Accepted Paper
[2022-09-05] Printed Article

Cite This Article

杨昌霖, 王继光, 汪清. 无线物联网中局部有向无环图区块链研究 [J]. 计算机应用研究, 2022, 39 (9): 2597-2602. (Yang Changlin, Wang Jiguang, Wang Qing. Local directed acyclic graph blockchain in wireless Internet of Things [J]. Application Research of Computers, 2022, 39 (9): 2597-2602. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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