Version 0.9.0

2 Terminology

Several elements of the glossary are based on the terminology defined by the World Wide Web Consortium (W3C) recommendations on the “Verifiable Credentials Data Model 1.0” (Nov. 2019) and Open ID Connect Core 1.0.
Registration ****Process through which an entity gets claims recorded in a registry and a credential proving the registration, in exchange of providing some requirements.
Entity A thing with distinct and independent existence, such as a person, organization, or device.
Claim An attribute asserted by an entity, about itself or another entity.
Attribute A property (data, information) relating to an entity
Subject ****An entity obliged or entitled to a registration, or about which a claim is made
Asserter An entity that asserts a claim.
Registry A paper-based or electronic database (centralized or decentralized, i.e. blockchain) where claims are stored and can be consulted.
Registrar An entity that is authorized to register, in a registry, claims submitted by an applicant and to issue a credential proving the registration.
Applicant Entity that requests the registration of claims in a registry.
Operator A registrar or a staff of a registrar who is processing the request of an applicant.
Credential A paper or electronic document created by an issuer and displaying one or more claims about one or more entities
Issuer Entity which creates a credential for one or more entities
Scope A set of claims and/or credentials required for a registration
Service Name given to a registration, or to a combination of registrations which can be undertaken simultaneously, by the entity(ies) in charge of the registration process.
Regulation Normative text (law, decree, deed, decision, etc.) issued by a public entity
Rule Any regulation, or part of a regulation, which creates for specific subjects an obligation or a right to register, and defines, for each category of subjects, the results and requirements of the registration.
Requirement ****Information (i.e. claims and credentials) and fees which must be provided in a registration process. Requirements may vary according to each subject.
Result The result of a registration is usually a credential (sometimes called: certificate, license, permit, card, etc.) proving the registration, in addition to the recording of information in a registry,
Determinant ****A determinant is an attribute, defined in the rule, used as a filter to determine/trigger if (1) an entity is subject to a registration and/or (2) what requirements this entity must provide to register. Examples:
Employers must register to the Social Security registry (attribute = employer; what is triggered = subject to register at the Social Security registry) Foreign companies must obtain an investment license before investing (attribute = foreign company; what is triggered = subject to register for an investment license) Married traders must provide a copy of their wedding certificate when they register at the business registry (attribute = married; what is triggered = wedding certificate is one of the requirements to register at the business registry)
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