FinShield: Explainable Graph Neural Network Approach to Money Laundering Detection in Digital Social Transactions

P Ratna Tejaswi, K Aanuj Reddy, G Eesha, J Nagalaxmi

The rapid growth of digital payment platforms and social network-based financial transactions has increased the risk of money laundering activities. Criminals exploit peer-to-peer transfers, digital wallets, and micro-transactions to disguise illicit funds. Traditional rule-based anti-money laundering (AML) systems struggle to detect complex transaction patterns within social networks. This paper proposes FinShield, an intelligent detection tool that leverages graph-based modeling and machine learning techniques to identify suspicious transaction behaviors in social financial ecosystems. The system constructs a user-transaction network and applies Graph Neural Networks (GNN) combined with anomaly detection algorithms to detect laundering patterns. Experimental evaluation demonstrates superior accuracy (95%) compared to traditional models, along with reduced false positive rates. FinShield provides a scalable and adaptive framework for real-time AML monitoring.
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