{"blocks": [{"key": "d70b0629", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "6b2a6103", "text": "Product and risk teams disagree about how aggressively to block suspicious transactions because it may hurt legitimate customers.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "9b82f71a", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "30fffab3", "text": "How would you balance customer satisfaction with fraud prevention? Which metrics would you track to evaluate whether the balance is working over time?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ebe0597a", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "5cf53381", "text": "Discuss precision-recall trade-off, false-positive rate, dispute rate, NPS, A/B tests, cost-benefit.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}