A concise reference to the integration choices that shape what providers, services, and public ledgers can observe. Each pattern has a practical role and a privacy trade-off to account for.
Treat each adapter, identity, credential, and external action as a boundary with its own data exposure and operational controls.
Role. An adapter connects a governed system to an external provider and translates requests and responses across their interfaces.
Privacy implication. The provider can see the data sent to it and related metadata, such as request timing, network details, and account identifiers. Send only what the integration needs.
Role. Separate identifiers across services or contexts to make routine linking of activity more difficult.
Privacy implication. Separation reduces correlation but does not guarantee anonymity. Mapping tables, shared attributes, or behavior can reconnect identities; protect any mapping table as sensitive data.
Role. Credentials authenticate an integration and define which actions it can perform.
Privacy implication. Use the narrowest scope, short lifetimes, and regular rotation to limit misuse. Never expose secrets on-chain or in application logs.
Role. An external service performs an action off-chain while an on-chain record captures a commitment, result, or trace of that action.
Privacy implication. A trace can reveal timing and relationships between participants even when useful data stays private. Minimize what is recorded and consider what the pattern of events exposes.
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