electricsheepafrica/nigerian-banking-card-transactions

这是一个合成尼日利亚卡支付交易数据集，包含欺诈和退单标签。数据集包括借记卡、信用卡和预付费卡，具有真实的尼日利亚使用模式，包括芯片、非接触式和在线交易。数据集可用于信用卡欺诈检测、退单预测、授权优化、3D安全效果分析以及无卡欺诈建模等应用场景。

This is a synthetic dataset of Nigerian card-based payment transactions with fraud and chargeback labels. It includes debit, credit, and prepaid cards with realistic Nigerian usage patterns including chip, contactless, and online transactions. The dataset can be used for card fraud detection, chargeback prediction, authorization optimization, 3D Secure effectiveness analysis, and card-not-present (CNP) fraud modeling.