eSSIF-Lab Glossary

Action

something that is actually done/executed - by a single actor (on behalf of a given party), as a single operation in a specific context.

Action Type

the specification of properties and characteristics that an actions must have in order to qualify as instance of that class, or the set of actions that actually have these properties and characteristics.

Actor

Entity that can act (do things), e.g. people, machines, but not organizations.

Agent

an actor that is executing an action on behalf of a party (called the principal of that actor).

Assertion

a declaration/statement, made by a specific party, that something is the case.

Authority (Centralized or Decentralized)

a party of which certain decisions, ideas, rules etc. are followed by other parties.

Business Transaction

See: transaction.

Colleague

two or more (digital or non-digital) agents that have the same principal (i.e. party on whose behalf they exeucte actions).

Commitment Decision

the decision of that party whether or not to commit to that business transaction, i.e. (promise) to fulfill the obligations that the associated transaction agreement proposal would impose on that party once it were signed.

Communication Channel

a (digital or non-digital) means by which two actors can exchange messages with one another.

Communication Session

a time interval during which two actors have an established communication channel that does not exist outside of that time interval.

Community

an organization that seeks to facilitate the cooperation between at least two parties (its 'members') based on interests that these parties share as each of them seeks to realize its own, individual objectives

Concept

the ideas/thoughts behind a classification of entities (what makes entities in that class 'the same').

Concept-file

a file whose contents defines/specifies a concept.

Corpus of Terminology

the documentation that describes the knowledge around a set of terms and concepts.

Credential

data, representing a set of assertions (claims, statements), authored and signed by, or on behalf of, a specific party.

Credential Catalogue

a functional component that has the capability to register and advertise the information about credential types that their respective governing parties have decided to disclose so as to enable other parties to decide whether or not it is beneficial for them to use credentials of such types.

Credential Type

the specification of the contents, properties, constraints etc. that credentials of this type must have/comply with.

Data

something (tangible) that can be used to communicate a meaning (which is intangible/information).

Data Collector

a functional component that is capable of collecting data from various parties in the context of some business transaction, and validating this data for the purpose of making one (or more) decision(s).

Data Collector Policy

a digital policy that enables an operational data collector component to function according to the rules of its policy governor.

Data Discloser

a functional component that is capable of disclosing data to (Agents of) other parties, e.g. in the form of credentials.

Data Discloser Policy

a digital policy that enables an operational data discloser component to function according to the rules of its policy governor.

Definition

a text that helps parties to have the same understanding about the meaning of (and concepts behind) a term, ideally in such a way that these parties can determine whether or not they make the same distinction.

Dependent

an entity for the caring for and/or protecting/guarding/defending of which a guardianship arrangement has been established.

Dictionary

an alphabetically sorted list of terms with various meanings they may have in different contexts.

Digital Actor

an actor in the digital world (e.g. a running app, or a web-server).

Digital Agent

an agent in the digital world (e.g. a running app, or a web-server that is executing an action for a specific party (its principal)).

Digital Colleague

two or more digital agents that all have the same principal (i.e. party on whose behalf they exeucte actions).

Digital Communication Channel

a digital means by which two digital actors can exchange messages with one another.

Digital Data

a sequence of bits that can be used to communicate meaning/information.

Digital Policy

a machine-readable policy that enables digital agents whose principal is the policy's governor, to execute actions of such types in compliance with that policy (i.e.: according to the rules, working-instructions, preferences and other guidance specified therein).

Documentation Interoperability

the property that a documentation system of making its content comprehensible for a variety of people that come from different backgrounds.

Ecosystem

a set of at least two (autonomous) parties (its 'members') whose individual work complements that of other members, and is of benefit to the set as a whole.

Employee

an actor for whom/which it is realistic that it might execute actions on behalf of that party (called the employer of that actor).

Employer

a party on whose behalf this actor (called an employee of that party) might execute actions.

Entity

someone or something that is known to exist.

eSSIF-Glue

interface layer that allows components with transaction data collector and/or transaction data discloser functionality to use the wallet, holder, issuer and verifier functionalities.

Glossary

an alphabetically sorted list of terms with the (single) meaning it has in (at least) one context.

Governance

the act or process of governing or overseeing the control and direction of something (Merriam-Webster).

Governor

the role that a party assumes as it is governing or overseeing the control and direction of something.

Governor (of a Jurisdiction)

the party that operates the legal system of that jurisdiction.

Governor (of a Knowledge)

the party that is 1-1 associated with that knowledge.

Guardian

a party that has been assigned rights and duties in a Guardianship Arrangement for the purpose of caring for and/or protecting/guarding/defending the entity that is the dependent in that Guardianship Arrangement.

Guardianship Arrangement

Guardianship Arrangement (in a Jurisdiction): the specification of a set of rights and duties between legal entities of the jurisdiction that enforces these rights and duties, for the purpose of caring for and/or protecting/guarding/defending one or more of these entities.

Guardianship-type

a class of guardianship arrangements within the jurisdiction that governs and manages them.

Holder

the capability to handle presentation requests from a peer agent, produce the requested data (a presentation) according to its principal's holder-policy, and send that in response to the request.

Holder Policy

a digital policy that enables an operational holder component to function according to the rules of its policy governor.

Identifier

a character string that is being used for the identification of some entity (yet may refer to 0, 1, or more entities, depending on the context within which it is being used).

Identity

the union of all partial identities of which the entity is the subject.

Issuer

the capability to construct credentials from data objects, according to the content of its principal's issuer-Policy (specifically regarding the way in which the credential is to be digitally signed), and pass it to the wallet-component of its principal allowing it to be issued.

Isuer Policy

a digital policy that enables an operational issuer component to function according to the rules of its policy governor.

Jurisdiction

the composition of a legal system (legislation, enforcement thereof, and conflict resolution), a party that governs that legal system, a scope within which that legal system is operational, and one or more objectives for the purpose of which the legal system is operated. See also the Jurisdictions pattern.

Knowledge

The (intangible) sum of what is known by a specific party, as well as the familiarity, awareness or understanding of someone or something by that party.

Legal Entity

an entity that is known by, recognized to exist, and registered in that jurisdiction.

Legal Jurisdiction

a jurisdiction that is governed/operated by a governmental body.

Legal System

a system in which rules are defined, and mechanisms for their enforcement and conflict resolution are (implicitly or explicitly) specified.

Mental Model

a casual and formal description (Pattern) of a set of concepts, relations between them, and constraints, that provide a specific 'viewpoint', or 'way of thinking' about a certain topic.

Objective

Something toward which a party directs effort (an aim, goal, or end of action).

Organization

a party that is associated with a group of actors that work to realize its objectives.

Owned

an entity over which another entity (its owner) has the power (duty, right) to enjoy it, dispose of it and control it; that power is limited to (the scope of) that jurisdiction, and by its rules.

Owner

the role that a party performs when it is exercizing its legal, rightful or natural title to control that entity.

Ownership

the rights and duties, as defined and enforced in that jurisdiction, of that entity to enjoy, dispose of, and control the other entity.

Partial identity

the knowledge that a specific party (= the owner of the partial identity) has about that entity (= the 'subject' of the partial identity).

Participant

a party is negotiating (or has negotiated) a business transaction agreement.

Party

an entity that sets its objectives, maintains its knowledge, and uses that knowledge to pursue its objectives in an autonomous (sovereign) manner. Humans and organizations are the typical examples.

Pattern

A limited set of concepts (ideas), relations between them, and constraints, such that together they form a coherent and consistent whole.

Pattern-file

a file whose contents describes/documents a pattern.

Peer Actor

the actor with whom/which this other actor is communicating in that communication session.

Peer Agent

the agent with whom/which this other agent is communicating in that communication session.

Peer Party

a party that also participates in that business transaction.

Policy

a (set of) rules, working-instructions, preferences and other guidance for the execution of one or more kinds of actions, that agents (a) have access to, (b) can interpret as intended by their principal (i.e. policy owner) and (c) must use when executing such actions.

Policy Governor

the party that is the owner of the policy and hence decides what goes in it and what not.

Presentation

a (signed) digital message that a holder component may send to a verifier component that contains data derived from one or more verifiable credentials (that (a colleague component of) the holder component has received from issuer components of one or more parties), as a response to a specific presentation request of a Verifier component.

Presentation Request

a (signed) digital message that a verifier component sends to a holder component asking for specific data from one or more verifiable credentials that are issued by specific Parties.

Principal

the party for whom, or on behalf of whom, the actor is executing an action (this actor is then called an agent of that party).

Qualified Data

data that comes with assurances, at least regarding its provenance and integrity (immutability), that make this data valid to be used for specific purposes of individual parties.

Risk

the effects that uncertainty (i.e. a lack of information, understanding or knowledge of events, their consequences or likelihoods) can have on the intended realization of an objective of a party.

Risk level

a measure for the deviation of the intended realization (results) of a specific objective that its owner uses to represent the priority with which the risk of that objective should be reckoned with.

Risk management (Centralized, Decentralized or Networked)

a process that is run by (or on behalf of) a specific party for the purpose of managing the risks that it owns.

Risk Owner

the party that is the owner of the objective to which a risk is associated.

Role

a set of characteristics that the entity has, actions (behaviours) that it may execute, or pieces of knowledge that it is expected to have in that context, that are referenced to by a specific role name.

Role name

name (text) that refers to (and identifies) a role in a specific context.

Scope

the extent of the area or subject matter (which we use to define patterns, concepts, terms and glossaries in).

Scope of Control

the extent of the area or subject matter that a party controls.

Scope-file

a file whose contents defines/specifies a scope.

Self-Sovereign Identity (SSI)

Self-Sovereign Identity (SSI) is a term that has many different interpretations, and that we use to refer to concepts/ideas, architectures, processes and technologies that aim to support (autonomous) parties as they negotiate and execute electronic transactions with one another.

Self-Sovereignty

the characteristic of every party that it is autonomous in managing and operating its own knowledge, particularly in making decisions and deciding how to decide.

Semantics

a mapping between the (tangible/textual) terms and (intangible) ideas/concepts - their meaning.

SSI (Self-Sovereign Identity)

SSI (Self-Sovereign Identity) is a term that has many different interpretations, and that we use to refer to concepts/ideas, architectures, processes and technologies that aim to support (autonomous) parties as they negotiate and execute electronic transactions with one another.

SSI Agent

a digital agent that provides one or more of the ssi functionalities (issuer, holder, verifier, wallet) to its principal.

SSI Assurance Community (SSI-AC)

a community that supports its members as they seek to increase their confidence in the SSI infrastructure and/or (specific) qualifications of the data exchanged through that infrastructure.

SSI Infrastructure

the technological components that are (envisaged to be) all over the world for the purpose of providing, requesting and obtaining qualified data, for the purpose of negotiating and/or executing electronic transactions.

Term

a word or phrase that is used in at least one scope/context to refer to a specific concept.

Term-file

a file whose contents defines/specifies a term.

Terminology

a set of terms that all have a definition within some scope(s), and are used for reasoning and communicating one or more specific topics.

Terminology Process

a method for recognizing misunderstandings as such, and creating or maintaining definitions that resolve them.

Transaction

the exchange of goods, services, funds, or data between some parties (called participants of the transaction).

Transaction Agreement

the set of rules that specify the rights (expectations) and duties (obligations) of participants towards one another in the context of a specific business transaction.

Transaction Data Collector

a functional component that collects sufficient and validated data for deciding whether or not a request (typically for a product or a service) is to be serviced.

Transaction Data Collector Policy

a digital policy that enables an operational transaction data collector component to function according to the rules of its policy governor.

Transaction Data Discloser

a functional component that is capable of disclosing data.

Transaction Data Discloser Policy

a digital policy that enables an operational transaction data discloser component to function according to the rules of its policy governor.

Transaction Form

the specification of the set of data that this party needs to (a) commit to a (proposed) business transaction of that kind, (b) fulfill its duties/obligations and (c) escalate if necessary.

Transaction Id

character string that this participant uses to identify, and refer to, that business transaction.

Transaction Proposal

a transaction agreement that is 'in-the-making' (ranging from an empty document to a document that would be a transaction agreement if it were signed by all participants).

Transaction Request

a message, send by a requesting party to a providing party, that initiates the negotiation of a new transaction agreement between these parties for the provisioning of a specific product or service.

Transaction Type

the policy, governed by that party, and other necessary artifacts (e.g. a transaction form) that provide an actor with all necessary means to conduct a transaction of this type on behalf of that party.

Trust

the measure of belief or confidence that a party has in X (someone, something, ...).

Validated Data

data of which some party has established that it is valid, and hence suitahble to be used for some specific purpose(s).

Validation

the process that a party uses to determine whether or not that data is valid to be used for some specific purpose(s) of that party.

Validation Policy

a digital policy that contains the rules, working-instructions, preferences and other guidance for determining whether or not data is valid for a specific purpose/objective of its governor.

Validator

the capability to determine whether or not (verified) data is valid to be used for some specific purpose(s).

Verfiable Data

data that comes with assurances regarding its provenance (the party that issued it) and its integrity (the property that the credential data has not been tampered with in transit, i.e. is the same as when created).

Verifiable Credential

Credential that comes with assurances regarding its provenance (the party that issued it) and its integrity (the property that the credential data has not been tampered with in transit, i.e. is the same as when issued).

Verification

the process that a party uses to determine whether or not what that data represents is in fact true (veracity).

Verified Data

data of which some party has determined that it is a truthful representation (within the context of that party) of what the party that created/authored that data intended it to mean.

Verifier

the capability to request peer agents to present (provide) data from credentials (of a specified kind, issued by specified parties), and to verify such responses (check structure, signatures, dates), according to its principal's verifier policy.

Verifier Policy

a digital policy that enables an operational verifier component to function according to the rules of its policy governor.

Vocabulary

the sum or stock of words employed by a language, group, individual, or work or in a field of knowledge.

Wallet

the capability to securely store data as requested by colleague agents, and to provide stored data to colleague agents or peer agents, all in compliance with the rules of its principal's wallet policy.

Wallet Policy

a digital policy that enables an operational wallet component to function according to the rules of its policy governor.