Your question is Bloomberg Real-Time Fraud Detection. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Design an AI system for real-time fraud detection in financial transactions.
Assume the system must score card-not-present and account-transfer transactions in under 150 ms at the p99, with strict false-positive constraints because legitimate payments must not be blocked unnecessarily. Focus on how you would detect fraud in real time, keep models fresh, and handle delayed labels and adversarial behavior.