Enhanced Smart Contract Reputability Analysis using Multimodal Data Fusion on Ethereum

Fuente: arXiv
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Autori principali: Malik, Cyrus, Bajada, Josef, Ellul, Joshua
Natura: Preprint
Pubblicazione: 2025
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author Malik, Cyrus
Bajada, Josef
Ellul, Joshua
author_facet Malik, Cyrus
Bajada, Josef
Ellul, Joshua
contents The evaluation of smart contract reputability is essential to foster trust in decentralized ecosystems. However, existing methods that rely solely on code analysis or transactional data, offer limited insight into evolving trustworthiness. We propose a multimodal data fusion framework that integrates code features with transactional data to enhance reputability prediction. Our framework initially focuses on AI-based code analysis, utilizing GAN-augmented opcode embeddings to address class imbalance, achieving 97.67% accuracy and a recall of 0.942 in detecting illicit contracts, surpassing traditional oversampling methods. This forms the crux of a reputability-centric fusion strategy, where combining code and transactional data improves recall by 7.25% over single-source models, demonstrating robust performance across validation sets. By providing a holistic view of smart contract behaviour, our approach enhances the model's ability to assess reputability, identify fraudulent activities, and predict anomalous patterns. These capabilities contribute to more accurate reputability assessments, proactive risk mitigation, and enhanced blockchain security.
format Preprint
id arxiv_https___arxiv_org_abs_2503_17426
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Enhanced Smart Contract Reputability Analysis using Multimodal Data Fusion on Ethereum
Malik, Cyrus
Bajada, Josef
Ellul, Joshua
Machine Learning
Artificial Intelligence
Cryptography and Security
Emerging Technologies
The evaluation of smart contract reputability is essential to foster trust in decentralized ecosystems. However, existing methods that rely solely on code analysis or transactional data, offer limited insight into evolving trustworthiness. We propose a multimodal data fusion framework that integrates code features with transactional data to enhance reputability prediction. Our framework initially focuses on AI-based code analysis, utilizing GAN-augmented opcode embeddings to address class imbalance, achieving 97.67% accuracy and a recall of 0.942 in detecting illicit contracts, surpassing traditional oversampling methods. This forms the crux of a reputability-centric fusion strategy, where combining code and transactional data improves recall by 7.25% over single-source models, demonstrating robust performance across validation sets. By providing a holistic view of smart contract behaviour, our approach enhances the model's ability to assess reputability, identify fraudulent activities, and predict anomalous patterns. These capabilities contribute to more accurate reputability assessments, proactive risk mitigation, and enhanced blockchain security.
title Enhanced Smart Contract Reputability Analysis using Multimodal Data Fusion on Ethereum
topic Machine Learning
Artificial Intelligence
Cryptography and Security
Emerging Technologies
url https://arxiv.org/abs/2503.17426