Mobile wallet with security-conscious architecture — Mobile Case Study
MOBILE · mobile wallet · secure storage · threat modeling · native mobile · payment-adjacent systems
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Problem context
The product required handling sensitive user data while remaining flexible for future integrations.
Constraints
- Security-first storage decisions
- Clear integration boundaries
- No hidden coupling between UI and backend logic
Engineering decisions
Decision: Threat-model driven architecture
Reason: Security decisions are grounded in realistic attack vectors.
Trade-off: —
Decision: Explicit integration seams
Reason: Keeps the system adaptable without destabilizing core logic.
Trade-off: —
System overview
Native mobile app; secure storage patterns; explicit API integration boundaries. No client logos.
Outcome
Stable foundation for future integrations. Reduced long-term security risk.
Engagement delivered under NDA. Details anonymized.