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With the rapid development of e-commerce, e-commerce platforms are facing an increasing number of fraud threats. Effectively identifying and preventing these fraudulent activities has become a critical research problem. Traditional fraud…

Machine Learning · Computer Science 2025-03-25 Xuan Li , Yuting Peng , Xiaoxuan Sun , Yifei Duan , Zhou Fang , Tengda Tang

Credit card fraud is an ongoing problem for almost all industries in the world, and it raises millions of dollars to the global economy each year. Therefore, there is a number of research either completed or proceeding in order to detect…

Machine Learning · Computer Science 2020-07-30 Yusuf Yazici

Credit card is one of the most extensive methods of instalment for both online and offline mode of payment for electronic transactions in recent times. credit cards invention has provided significant ease in electronic transactions.…

Machine Learning · Computer Science 2024-09-23 Sourav Verma , Joydip Dhar

The detection of frauds in credit card transactions is a major topic in financial research, of profound economic implications. While this has hitherto been tackled through data analysis techniques, the resemblances between this and other…

Social and Information Networks · Computer Science 2017-06-08 Massimiliano Zanin , Miguel Romance , Santiago Moral , Regino Criado

Detection of a Fraud transaction on credit cards became one of the major problems for financial institutions, organizations and companies. As the global financial system is highly connected to non-cash transactions and online operations…

Machine Learning · Computer Science 2022-05-31 Dinara Rzayeva , Saber Malekzadeh

Addressing class imbalance is a central challenge in credit card fraud detection, as it directly impacts predictive reliability in real-world financial systems. To overcome this, the study proposes an enhanced workflow based on the…

Machine Learning · Computer Science 2026-02-09 Reza E. Fazel , Arash Bakhtiary , Siavash A. Bigdeli

Credit card fraud detection is a critical challenge in the financial sector, demanding sophisticated approaches to accurately identify fraudulent transactions. This research proposes an innovative methodology combining Neural Networks (NN)…

Computational Engineering, Finance, and Science · Computer Science 2024-05-02 Mengran Zhu , Ye Zhang , Yulu Gong , Changxin Xu , Yafei Xiang

Card payment fraud is a serious problem, and a roadblock for an optimally functioning digital economy, with cards (Debits and Credit) being the most popular digital payment method across the globe. Despite the occurrence of fraud could be…

Cryptography and Security · Computer Science 2020-12-01 Bemali Wickramanayake , Dakshi Kapugama Geeganage , Chun Ouyang , Yue Xu

The credit card has become the most popular payment method for both online and offline transactions. The necessity to create a fraud detection algorithm to precisely identify and stop fraudulent activity arises as a result of both the…

Artificial Intelligence · Computer Science 2023-03-14 AlsharifHasan Mohamad Aburbeian , Huthaifa I. Ashqar

In the context of globalization and the rapid expansion of the digital economy, anti-money laundering (AML) has become a crucial aspect of financial oversight, particularly in cross-border transactions. The rising complexity and scale of…

Machine Learning · Computer Science 2024-12-11 Qian Yu , Zhen Xu , Zong Ke

For the highly imbalanced credit card fraud detection problem, most existing methods either use data augmentation methods or conventional machine learning models, while neural network-based anomaly detection approaches are lacking.…

Machine Learning · Computer Science 2022-06-30 Tungyu Wu , Youting Wang

Credit card fraud is a major issue nowadays, costing huge money and affecting trust in financial systems. Traditional fraud detection methods often fail to detect advanced and growing fraud techniques. This study focuses on using Graph…

Cryptography and Security · Computer Science 2025-04-01 Irin Sultana , Syed Mustavi Maheen , Naresh Kshetri , Md Nasim Fardous Zim

Credit card fraud has been a persistent issue since the last century, causing significant financial losses to the industry. The most effective way to prevent fraud is by contacting customers to verify suspicious transactions. However, while…

Machine Learning · Computer Science 2026-02-09 Menghao Huo , Kuan Lu , Qiang Zhu , Zhenrui Chen

Credit card plays a very important rule in today's economy. It becomes an unavoidable part of household, business and global activities. Although using credit cards provides enormous benefits when used carefully and responsibly,significant…

Cryptography and Security · Computer Science 2016-11-22 SamanehSorournejad , Zahra Zojaji , Reza Ebrahimi Atani , Amir Hassan Monadjemi

The number of credit card fraud has been growing as technology grows and people can take advantage of it. Therefore, it is very important to implement a robust and effective method to detect such frauds. The machine learning algorithms are…

Machine Learning · Computer Science 2022-06-14 Sairamvinay Vijayaraghavan , Terry Guan , Jason , Song

Credit card fraud is a problem continuously faced by financial institutions and their customers, which is mitigated by fraud detection systems. However, these systems require the use of sensitive customer transaction data, which introduces…

Cryptography and Security · Computer Science 2022-11-15 David Nugent

Fraud detection remains a critical task in high-stakes domains such as finance and e-commerce, where undetected fraudulent transactions can lead to significant economic losses. In this study, we systematically compare the performance of…

Machine Learning · Computer Science 2025-09-19 Chao Wang , Chuanhao Nie , Yunbo Liu

Anomaly detection has many applications ranging from bank-fraud detection and cyber-threat detection to equipment maintenance and health monitoring. However, choosing a suitable algorithm for a given application remains a challenging design…

This paper investigates whether hybrid quantum-classical machine learning can deliver practical improvements in financial fraud detection performance for card-based and other payment transactions. Building on a Guided Quantum Compressor…

Quantum Physics · Physics 2026-05-05 Rodrigo Chaves , Kunal Kumar , Bruno Chagas , Rory Linerud , Brannen Sorem , Javier Mancilla , Bryn Bell

Spurious credit card transactions are a significant source of financial losses and urge the development of accurate fraud detection algorithms. In this paper, we use machine learning strategies for such an aim. First, we apply a mixed…

Machine Learning · Computer Science 2021-12-07 Daniel H. M. de Souza , Claudio J. Bordin