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Bitcoin is the most common cryptocurrency involved in cyber scams. Cybercriminals often utilize pseudonymity and privacy protection mechanism associated with Bitcoin transactions to make their scams virtually untraceable. The Ponzi scheme…

密码学与安全 · 计算机科学 2022-10-27 Puyang Zhao , Wei Tian , Lefu Xiao , Xinhui Liu , Jingjin Wu

In recent years, the unprecedented growth in digital payments fueled consequential changes in fraud and financial crimes. In this new landscape, traditional fraud detection approaches such as rule-based engines have largely become…

机器学习 · 计算机科学 2021-03-03 E. Kurshan , H. Shen , H. Yu

Phishing detection on Ethereum has increasingly leveraged advanced machine learning techniques to identify fraudulent transactions. However, limited attention has been given to understanding the effectiveness of feature selection strategies…

密码学与安全 · 计算机科学 2025-04-28 Ahod Alghuried , Abdulaziz Alghamdi , Ali Alkinoon , Soohyeon Choi , Manar Mohaisen , David Mohaisen

Smart contracts hold digital coins worth billions of dollars, their security issues have drawn extensive attention in the past years. Towards smart contract vulnerability detection, conventional methods heavily rely on fixed expert rules,…

机器学习 · 计算机科学 2021-06-18 Zhenguang Liu , Peng Qian , Xiang Wang , Lei Zhu , Qinming He , Shouling Ji

The financial crime landscape is evolving along with the digitization in financial services. In this context, laws and regulations cannot efficiently cope with a fast-moving industry such as finance, which translates in late adoption of…

密码学与安全 · 计算机科学 2021-07-20 Lamprini Zarpala , Fran Casino

Smart grids leverage the data collected from smart meters to make important operational decisions. However, they are vulnerable to False Data Injection (FDI) attacks in which an attacker manipulates meter data to disrupt the grid…

密码学与安全 · 计算机科学 2022-02-10 Daniel Reijsbergen , Aung Maw , Tien Tuan Anh Dinh , Wen-Tai Li , Chau Yuen

Smart contract is the building block of blockchain systems that enables automated peer-to-peer transactions and decentralized services. With the increasing popularity of smart contracts, blockchain systems, in particular Ethereum, have been…

密码学与安全 · 计算机科学 2021-05-24 Huiwen Hu , Yuedong Xu

With the escalating prevalence of malicious activities exploiting vulnerabilities in blockchain systems, there is an urgent requirement for robust attack detection mechanisms. To address this challenge, this paper presents a novel…

As more and more attacks have been detected on Ethereum smart contracts, it has seriously affected finance and credibility. Current anti-fraud detection techniques, including code parsing or manual feature extraction, still have some…

机器学习 · 计算机科学 2025-03-20 Yihong Jin , Ze Yang , Xinhe Xu

With the popularity of blockchain technology, the financial security issues of blockchain transaction networks have become increasingly serious. Phishing scam detection methods will protect possible victims and build a healthier blockchain…

机器学习 · 计算机科学 2021-08-20 Dunjie Zhang , Jinyin Chen

The advent of blockchain technology has facilitated the widespread adoption of smart contracts in the financial sector. However, current fraud detection methodologies exhibit limitations in capturing both global structural patterns within…

密码学与安全 · 计算机科学 2025-01-07 Zhang Sheng , Liangliang Song , Yanbin Wang

Smart contract vulnerabilities have led to significant financial losses, with their increasing complexity rendering outright prevention of hacks increasingly challenging. This trend highlights the crucial need for advanced forensic analysis…

密码学与安全 · 计算机科学 2025-04-15 Kaihua Qin , Zhe Ye , Zhun Wang , Weilin Li , Liyi Zhou , Chao Zhang , Dawn Song , Arthur Gervais

Cryptocurrencies are rapidly expanding and becoming vital in digital financial markets. However, the rise in cryptocurrency-related illicit activities has led to significant losses for users. To protect the security of these platforms, it…

机器学习 · 计算机科学 2024-07-19 Zhihao Ding , Jieming Shi , Qing Li , Jiannong Cao

A smart grid is an important application in Industry 4.0 with a lot of new technologies and equipment working together. Hence, sensitive data stored in the smart grid is vulnerable to malicious modification and theft. This paper proposes a…

The proliferation of spam on the Web has necessitated the development of machine learning models to automate their detection. However, the dynamic nature of spam and the sophisticated evasion techniques employed by spammers often lead to…

密码学与安全 · 计算机科学 2024-10-02 Noah Kader , Inwon Kang , Oshani Seneviratne

Smart contracts have transformed decentralized finance by enabling programmable, trustless transactions. However, their widespread adoption and growing financial significance have attracted persistent and sophisticated threats, such as…

密码学与安全 · 计算机科学 2025-08-13 Pasquale De Rosa , Pascal Felber , Valerio Schiavoni

Learning heterogeneous graphs consisting of different types of nodes and edges enhances the results of homogeneous graph techniques. An interesting example of such graphs is control-flow graphs representing possible software code execution…

In most electricity theft detection schemes, consumers' power consumption data is directly input into the detection center. Although it is valid in detecting the theft of consumers, the privacy of all consumers is at risk unless the…

密码学与安全 · 计算机科学 2023-02-28 Zhiqiang Zhao , Yining Liu , Zhixin Zeng , Zhixiong Chen , Huiyu Zhou

Blockchain and Cryptocurrencies are gaining unprecedented popularity and understanding. Meanwhile, Ethereum is gaining a significant popularity in the blockchain community, mainly due to the fact that it is designed in a way that enables…

密码学与安全 · 计算机科学 2018-07-06 TonTon Hsien-De Huang

Ethereum is currently the second largest blockchain by market capitalization and a popular platform for cryptocurrencies. As it has grown, the high value present and the anonymity afforded by the technology have led Ethereum to become a…

密码学与安全 · 计算机科学 2025-01-22 Calvin Josenhans , Andrey Kuehlkamp , Jarek Nabrzyski