System Design · Coinbase · Medium
Credit Card Application System A credit card origination platform gathers applicant profile data, verifies identity, evaluates credit risk, and returns one of three verdicts: approved, rejected, or manual_review. The main architectural pressure is that applicants expect near-instant feedback, while the risk evidence must be assembled from multiple slow, unreliable, and sometimes conflicting internal and external sources. A strong design stays fast, explicitly handles missing…
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