Core Reusable Patterns¶
This directory contains reusable trust patterns that appear across multiple industry use cases. Each pattern describes a single building block that can be composed into larger workflows.
Industry use cases in the parent directory reference these patterns rather than repeating the same explanations.
Pattern catalogue¶
| Pattern | What it does | Key packages |
|---|---|---|
| Verified Context Gate | Attach verified, minimized context to a request before processing | SD-JWT VC, OID4VP, PEX |
| Policy-First Data Minimization | Define disclosure policy before requesting data | PEX, OID4VP, Status Lists |
| Scoped Agent Capability Token | Scope each agent tool call to a specific action, resource, and time window | AgentTrust.Core, Policy, MCP |
| Status List Lifecycle Control | Revoke, suspend, or expire credentials in real time | Status Lists |
| Federated Trust Onboarding | Dynamically resolve issuer trust across organizations | OpenID Federation |
| Multi-Format Verifier | Accept both SD-JWT VC and mdoc credentials in one verifier | SD-JWT VC, Mdoc, OID4VP, HAIP |
| Browser-Mediated Presentation | Use the browser as a credential presentation channel | OID4VP, DC API, PEX |
| Trust Containment and Incident Response | Contain credential incidents through federation and status updates | Federation, Status Lists |
How these relate to industry use cases¶
Each industry use case composes one or more of these patterns:
| Industry use case | Patterns used |
|---|---|
| Financial AI | Verified Context Gate, Policy-First Data Minimization |
| AI Agent Authorization | Scoped Agent Capability Token |
| Policy-First Data Minimization | Policy-First Data Minimization, Status List Lifecycle |
| Incident Response | Trust Containment, Status List Lifecycle |
| Retail E-Commerce Returns | Status List Lifecycle, Federated Trust Onboarding |
| DC API Web Verification | Browser-Mediated Presentation, Multi-Format Verifier |
| Enterprise KYC Onboarding | Verified Context Gate, Federated Trust Onboarding |
| mdoc Identity Verification | Multi-Format Verifier |
| Healthcare Credentials | Policy-First Data Minimization, Verified Context Gate |
| EUDIW Cross-Border | Multi-Format Verifier, Federated Trust Onboarding |
| Telecom eSIM | Status List Lifecycle, Federated Trust Onboarding |
| Cross-Border Government | Verified Context Gate, Federated Trust Onboarding |
| Enterprise API Access | Verified Context Gate, Scoped Agent Capability Token |
| Supplier Onboarding | Federated Trust Onboarding, Policy-First Data Minimization |
| Education Skills Passport | Policy-First Data Minimization, Status List Lifecycle |
| Insurance Claims Evidence | Status List Lifecycle, Federated Trust Onboarding |
| Construction Readiness | Status List Lifecycle, Policy-First Data Minimization |