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Main Authors: Balci, Emre, Aydede, Timucin, Yilmaz, Gorkem, Soyak, Ece Gelal
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2601.07334
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author Balci, Emre
Aydede, Timucin
Yilmaz, Gorkem
Soyak, Ece Gelal
author_facet Balci, Emre
Aydede, Timucin
Yilmaz, Gorkem
Soyak, Ece Gelal
contents Smart contract technology facilitates self-executing agreements on the blockchain, eliminating dependency on an external trusted authority. However, smart contracts may expose vulnerabilities that can lead to financial losses and disruptions in decentralized applications. In this work, we evaluate deep learning-based approaches for vulnerability scanning of Ethereum smart contracts. We propose VASCOT, a Vulnerability Analyzer for Smart COntracts using Transformers, which performs sequential analysis of Ethereum Virtual Machine (EVM) bytecode and incorporates a sliding window mechanism to overcome input length constraints. To assess VASCOT's detection efficacy, we construct a dataset of 16,469 verified Ethereum contracts deployed in 2022, and annotate it using trace analysis with concrete validation to mitigate false positives. VASCOT's performance is then compared against a state-of-the-art LSTM-based vulnerability detection model on both our dataset and an older public dataset. Our findings highlight the strengths and limitations of each model, providing insights into their detection capabilities and generalizability.
format Preprint
id arxiv_https___arxiv_org_abs_2601_07334
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Examining the Effectiveness of Transformer-Based Smart Contract Vulnerability Scan
Balci, Emre
Aydede, Timucin
Yilmaz, Gorkem
Soyak, Ece Gelal
Cryptography and Security
Systems and Control
Smart contract technology facilitates self-executing agreements on the blockchain, eliminating dependency on an external trusted authority. However, smart contracts may expose vulnerabilities that can lead to financial losses and disruptions in decentralized applications. In this work, we evaluate deep learning-based approaches for vulnerability scanning of Ethereum smart contracts. We propose VASCOT, a Vulnerability Analyzer for Smart COntracts using Transformers, which performs sequential analysis of Ethereum Virtual Machine (EVM) bytecode and incorporates a sliding window mechanism to overcome input length constraints. To assess VASCOT's detection efficacy, we construct a dataset of 16,469 verified Ethereum contracts deployed in 2022, and annotate it using trace analysis with concrete validation to mitigate false positives. VASCOT's performance is then compared against a state-of-the-art LSTM-based vulnerability detection model on both our dataset and an older public dataset. Our findings highlight the strengths and limitations of each model, providing insights into their detection capabilities and generalizability.
title Examining the Effectiveness of Transformer-Based Smart Contract Vulnerability Scan
topic Cryptography and Security
Systems and Control
url https://arxiv.org/abs/2601.07334