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- W4387478769 abstract "With the widespread applications of smart contract, a large number of smart contracts with virtual coins have been deployed on Ethereum. However, smart contracts may have vulnerabilities that cause huge losses. Therefore, it is a critical issue to effectively and time-savingly detect potential vulnerabilities in contracts. Oyente and Mythril are both contract analysis tools based on symbolic execution, which rely on control flow graph to detect vulnerabilities and are time-consuming. In this work, we propose CDRF to detect vulnerabilities in smart contracts with machine learning. First, we summarize four kinds of opcode fragments containing key vulnerability instructions. The opcode fragments are processed by word2vec and PCA to obtain one-dimensional binary features. Second, we use five machine learning algorithms to build the model. This method uses the 53651 real-world smart contracts on Ethereum for evaluation. When we use CDRF as the training model, the highest predictive value of F1-socre is 98.03 $$%$$ , and the rest are above 93 $$%$$ ; the highest predictive value of AUC is 99.56 $$%$$ , and the rest are above 94 $$%$$ . Meanwhile, the average detection time for each smart contract is 3 s. The experimental results show that the method is effective and time-saving." @default.
- W4387478769 created "2023-10-11" @default.
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- W4387478769 date "2023-01-01" @default.
- W4387478769 modified "2023-10-16" @default.
- W4387478769 title "CDRF: A Detection Method of Smart Contract Vulnerability Based on Random Forest" @default.
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- W4387478769 doi "https://doi.org/10.1007/978-3-031-45513-1_22" @default.
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