[tanewishly]

Or attribute-based credentials. Basically, you're challenged and get a one-time, challenger-specific credential for exactly the requested attribute(s) from a credential provider. Eg. government (municipality, province, national) can become a credential provider.

Eg. Yivy: https://docs.yivi.app/technical-overview/

[ac50hz]

Exactly. Yivi isn’t new having been renamed from IRMA (https://privacybydesign.foundation/en/). Nevertheless, adoption outside the Netherlands remains almost non-existent.

Except for the additional download requirement for a user, the friction is pretty low once it’s setup and you have created some attributes.

The project would benefit from a rebranding review, standardization, an enterprise-capable infrastructure to promote and support alternative service providers, and a review of clients. The current Yivi mobile app hasn’t changed much over the years and when I last used it I still needed a PIN instead Face ID.