Financesequence anomaly/risk classification over temporally irregular event streamslate-stage research / proposed for production banking use; validated on a large industrial dataset but not explicitly described as live in production in the source.

Real-time bank transaction fraud scoring with time-aware transformer sequences

The system watches a customer’s stream of payments and account events in order, paying attention to how much time passes between them, to better spot suspicious behavior.

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Source

https://www.arxiv.org/abs/2509.23712