All money is integer minor-units in an immutable double-entry ledger - property-tested for correctness.
Trading happens on your own broker account. Sonar Sciences never receives, holds or transfers customer money, so there is no balance of yours for us to lose.
Actor, action, resource, result, and correlation ID are logged for every material event.
TLS in transit and encryption at rest across all data stores.
Managed identity with scoped API keys and silent token refresh.
Permission-aware access with the backend as the source of truth.