Identity and access
Authentication is passkey-first, with email verification codes as the fallback. Operator and admin roles are scoped per service — a regional support agent cannot access financial reconciliation, and a marketplace operator cannot touch tenant infrastructure settings.
All sensitive actions are written to a tamper-evident audit log that retains origin metadata, the actor, and a structured event payload.
Data and encryption
Data is encrypted in transit with TLS and at rest with managed keys. Payment service provider credentials are stored encrypted with a per-tenant envelope key, and the encryption layer is rotated independently of the application runtime.
Personally identifiable information is segregated from operational tables and only joined at the API boundary when access is authorized.
Production discipline
Reliability is a product feature. Every service emits structured logs, traces, and metrics, and a built-in dashboard surfaces system health to operators in real time. Releases are versioned, signed, and reversible.
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