expertReal System Design Problems65 of 132
Design Amazon's Global Payments Infrastructure — multi-region financial consistency.
The multi-region financial-consistency problem: how a payment system maintains strong consistency across regions while still meeting real-time payment latency requirements, how regulatory requirements in different jurisdictions constrain where data can physically be stored, and how currency conversion and settlement work across markets.
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Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.
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