Particle Swarm Algorithm for Smart Contract Vulnerability Detection Based on Semantic Web

Tao Feng and Yuyang Cui
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Tao Feng: School of Computer and Communication, Lanzhou University of Technology, China
Yuyang Cui: School of Computer and Communication, Lanzhou University of Technology, China

International Journal on Semantic Web and Information Systems (IJSWIS), 2024, vol. 20, issue 1, 1-33

Abstract: In recent years, smart contracts have risen rapidly in the blockchain field, but security issues have also become increasingly prominent. Due to the lack of unified evaluation standards, the security analysis of smart contracts mainly relies on complex and not easily scalable expert rules. To address these issues, we employ slicing techniques to reduce the interference of extraneous code on the detection process, apply normalisation techniques to eliminate the differences between different compiler versions and use particle swarm optimisation algorithms to determine the similarity between contracts, thus improving the accuracy and efficiency of detection. In addition, we combine a variety of features such as static analysis, dynamic analysis and symbolic execution to gain a more comprehensive understanding of contract characteristics and behaviours for more accurate vulnerability identification. Experimental results show that the scheme significantly improves the detection capability and provides a new solution for the security detection of smart contracts.

Date: 2024
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