SourceP: Detecting Ponzi Schemes on Ethereum with Source Code

• URL: http://arxiv.org/abs/2306.01665v8
• Date: Thu, 29 Feb 2024 15:30:55 GMT
• Title: SourceP: Detecting Ponzi Schemes on Ethereum with Source Code
• Authors: Pengcheng Lu, Liang Cai, and Keting Yin
• Abstract summary: SourceP is a method to detect smart Ponzi schemes on the platform using pre-trained models and data flow. We first convert the source code of a smart contract into a data flow graph and then introduce a pre-trained model based on learning code representations to build a classification model. The experimental results show that SourceP achieves 87.2% recall and 90.7% F-score for detecting smart Ponzi schemes.
• Score: 0.5898893619901381
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: As blockchain technology becomes more and more popular, a typical financial scam, the Ponzi scheme, has also emerged in the blockchain platform Ethereum. This Ponzi scheme deployed through smart contracts, also known as the smart Ponzi scheme, has caused a lot of economic losses and negative impacts. Existing methods for detecting smart Ponzi schemes on Ethereum mainly rely on bytecode features, opcode features, account features, and transaction behavior features of smart contracts, which are unable to truly characterize the behavioral features of Ponzi schemes, and thus generally perform poorly in terms of detection accuracy and false alarm rates. In this paper, we propose SourceP, a method to detect smart Ponzi schemes on the Ethereum platform using pre-trained models and data flow, which only requires using the source code of smart contracts as features. SourceP reduces the difficulty of data acquisition and feature extraction of existing detection methods. Specifically, we first convert the source code of a smart contract into a data flow graph and then introduce a pre-trained model based on learning code representations to build a classification model to identify Ponzi schemes in smart contracts. The experimental results show that SourceP achieves 87.2% recall and 90.7% F-score for detecting smart Ponzi schemes within Ethereum's smart contract dataset, outperforming state-of-the-art methods in terms of performance and sustainability. We also demonstrate through additional experiments that pre-trained models and data flow play an important contribution to SourceP, as well as proving that SourceP has a good generalization ability.

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