Developers
Build with user-held evidence
Capture evidence on the phone, build a signed history, and connect it to your service’s decisions.
Choose your starting point
Evaluate the SDK →
Start with working iOS capture or explore the Android workflow simulation.
Understand the architecture →
Follow the cryptographic history, custody boundaries and path to your access system.
Plan your integration →
Identify app, issuer and service responsibilities for the planned identity exchange.
- Available for SDK evaluation
- iOS capture, protected storage, device signals, continuity, and signing. The Android reference app currently demonstrates simulated workflows; its capability engines remain implementation work.
- Planned identity exchange
- User-held issuance and presentation, a verifier and an optional OIDC / SAML adapter.
Need package access? Request an SDK evaluation.
Research guidance: Identity-control landscape · Red-team brief. The Operator must confirm current challenge availability and scope.