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While transactions with cryptocurrencies such as Ethereum are becoming more prevalent, fraud and other criminal transactions are not uncommon. Graph analysis algorithms and machine learning techniques detect suspicious transactions that…

机器学习 · 计算机科学 2022-07-05 Hiroki Kanezashi , Toyotaro Suzumura , Xin Liu , Takahiro Hirofuchi

How to obtain informative representations of transactions and then perform the identification of fraudulent transactions is a crucial part of ensuring financial security. Recent studies apply Graph Neural Networks (GNNs) to the transaction…

机器学习 · 计算机科学 2023-07-12 Yue Tian , Guanjun Liu

Blockchain Business applications and cryptocurrencies such as enable secure, decentralized value transfer, yet their pseudonymous nature creates opportunities for illicit activity, challenging regulators and exchanges in anti money…

机器学习 · 计算机科学 2026-01-09 M. Z. Haider , Tayyaba Noreen , M. Salman

Graph convolutional networks (GCNs) is a class of artificial neural networks for processing data that can be represented as graphs. Since financial transactions can naturally be constructed as graphs, GCNs are widely applied in the…

机器学习 · 计算机科学 2023-03-30 Song Li , Jiandong Zhou , Chong MO , Jin LI , Geoffrey K. F. Tso , Yuxing Tian

Due to the decentralized and public nature of the Blockchain ecosystem, the malicious activities on the Ethereum platform impose immeasurable losses for the users. Existing phishing scam detection methods mostly rely only on the analysis of…

密码学与安全 · 计算机科学 2022-08-30 Jinhuan Wang , Pengtao Chen , Xinyao Xu , Jiajing Wu , Meng Shen , Qi Xuan , Xiaoniu Yang

Blockchain technology has revolutionized the way information is propagated in decentralized networks. Ethereum plays a pivotal role in facilitating smart contracts and decentralized applications. Understanding information propagation…

机器学习 · 计算机科学 2023-11-03 Stefan Kambiz Behfar , Jon Crowcroft

Blockchain technology, with implications in the financial domain, offers data in the form of large-scale transaction networks. Analyzing transaction networks facilitates fraud detection, market analysis, and supports government regulation.…

计算工程、金融与科学 · 计算机科学 2025-01-23 Junliang Luo , Xue Liu

This paper explores the utilization of Temporal Graph Networks (TGN) for financial anomaly detection, a pressing need in the era of fintech and digitized financial transactions. We present a comprehensive framework that leverages TGN,…

统计金融 · 定量金融 2024-04-02 Yejin Kim , Youngbin Lee , Minyoung Choe , Sungju Oh , Yongjae Lee

Technological advancements in cryptocurrency markets have increased accessibility for investors, but concurrently exposed them to the risks of market manipulations. Existing fraud detection mechanisms typically rely on machine learning…

机器学习 · 计算机科学 2026-04-28 Lidia Losavio , Luca Persia , Madan Sathe , Dimosthenis Pasadakis

The escalating complexity of network threats and the inherent class imbalance in traffic data present formidable challenges for modern Intrusion Detection Systems (IDS). While Graph Neural Networks (GNNs) excel in modeling topological…

机器学习 · 计算机科学 2026-04-15 Tianxiang Xu , Zhichao Wen , Xinyu Zhao , Qi Hu , Yan Li , Chang Liu

With the wide application of blockchain in the financial field, the rise of various types of cybercrimes has brought great challenges to the security of blockchain. In order to better understand this emerging market and explore more…

密码学与安全 · 计算机科学 2021-02-17 Yunyi Xie , Jie Jin , Jian Zhang , Shanqing Yu , Qi Xuan

This paper reviews the applications of Graph Neural Networks (GNNs), Graph Convolutional Networks (GCNs), and Convolutional Neural Networks (CNNs) in blockchain technology. As the complexity and adoption of blockchain networks continue to…

机器学习 · 计算机科学 2024-10-02 Amy Ancelotti , Claudia Liason

Blockchain transaction networks are complex, with evolving temporal patterns and inter-node relationships. To detect illicit activities, we propose a hybrid GCN-GRU model that captures both structural and sequential features. Using real…

机器学习 · 计算机科学 2025-09-10 Gyuyeon Na , Minjung Park , Hyeonjeong Cha , Soyoun Kim , Sunyoung Moon , Sua Lee , Jaeyoung Choi , Hyemin Lee , Sangmi Chai

Temporal signed networks (TSNs) model the time evolution of cooperative and adversarial relationships that arise in applications such as social media analysis, trust and reputation systems, and financial transaction networks. While graph…

机器学习 · 计算机科学 2026-05-27 Derek Regier , Andrew Polyak , Aresh Dadlani , Khosro Salmani

Skeleton-based human action recognition has attracted much attention with the prevalence of accessible depth sensors. Recently, graph convolutional networks (GCNs) have been widely used for this task due to their powerful capability to…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Zhen Huang , Xu Shen , Xinmei Tian , Houqiang Li , Jianqiang Huang , Xian-Sheng Hua

In recent years, phishing scams have become the most serious type of crime involved in Ethereum, the second-largest blockchain platform. The existing phishing scams detection technology on Ethereum mostly uses traditional machine learning…

密码学与安全 · 计算机科学 2022-04-29 Sijia Li , Gaopeng Gou , Chang Liu , Chengshang Hou , Zhenzhen Li , Gang Xiong

Node classification using Graph Neural Networks (GNNs) has been widely applied in various practical scenarios, such as predicting user interests and detecting communities in social networks. However, recent studies have shown that…

机器学习 · 计算机科学 2024-08-14 Shuqi He , Jun Zhuang , Ding Wang , Jun Song

Community detection has long been an important yet challenging task to analyze complex networks with a focus on detecting topological structures of graph data. Essentially, real-world graph data contains various features, node and edge…

机器学习 · 计算机科学 2020-03-16 Yaping Zheng , Shiyi Chen , Xinni Zhang , Xiaofeng Zhang , Xiaofei Yang , Di Wang

In recent years, the emergence and development of third-party platforms have greatly facilitated the growth of the Online to Offline (O2O) business. However, the large amount of transaction data raises new challenges for retailers,…

机器学习 · 计算机科学 2022-05-24 Xu Chen , Qiu Qiu , Changshan Li , Kunqing Xie

Ethereum has become one of the primary global platforms for cryptocurrency, playing an important role in promoting the diversification of the financial ecosystem. However, the relative lag in regulation has led to a proliferation of…

密码学与安全 · 计算机科学 2024-07-03 Jiajun Zhou , Xuanze Chen , Shengbo Gong , Chenkai Hu , Chengxiang Jin , Shanqing Yu , Qi Xuan
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