DS Basic User Ontology
Kinds of Agency
The Actually Known person is a positively identified (tx-authenticated) human user of these domains, or an individual with the potential to be one.
Other types of domain users
Various other kinds of actors, human and non human are modeled as users of domain space (DS).
Single Authentication Realm
An ordered tuple factor-0, factor-1, ... carries the context of the domain user. To the extent possible the system avoids exposing the detailed semantics of the elements.
Multi Factor Authentication
Typically this simply means a secrets provided in different modalities, such as SMS or QR code. Here it means that but additionally other trust factors such as device identity.
To the extent possible, the system operates automatically with minimized user interaction.