{"blocks": [{"key": "151cf246", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "1694b203", "text": "You are part of the payments-risk team. Two new transactions arrive with attributes such as amount, issuing country, device, historical fraud rate and card age. You must decide in real-time whether to accept or decline each and outline quick risk-mitigation strategies.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "7a6ec732", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "a17ac2f0", "text": "Walk me through your decision process for each transaction and list at least three simple risk strategies you would deploy immediately (e.g., rules, throttling, manual review). Explain the trade-offs between false-positives and charge-backs.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "2b43d653", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d9f0b092", "text": "Discuss risk factors, cost/benefit, threshold setting, velocity checks, user history and A/B testing of rules.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}