What question did this study set out to answer?

The aim is to demonstrate a decentralized approach to credential management without a central identity database.

June 18, 2026Open Access

PrismGate, Use Case Demonstration: Credential Management and Service Registration without a Central Identity Database

Key Points

The aim is to demonstrate a decentralized approach to credential management without a central identity database.
Two demonstration scenarios showcasing a GP practice issuing credentials and a service registering with PrismGate.
Scenario A involves managing access for two staff members in healthcare; Scenario B involves registering a service at two trust levels.
Verification relies solely on cryptographic results—valid or invalid—without personal identity storage.
In Scenario A, staff members were issued credentials with varying access scopes, validated cryptographically.
In Scenario B, the service registered successfully at Level 1 and Level 2 trust levels, proven during scheduled PoCs.
No personal data was stored or transmitted, adhering to privacy standards.

Abstract

PrismGate is the trust and access layer of the Prism Ecosystem. It manages credentials for both people and services, without storing personal data in any central database. This technical note presents two demonstration scenarios using the live demo at prismgate.globalsecurity.nu. Scenario A shows a GP practice (huisartsenpraktijk) in the Healthcare sector issuing credentials to two staff members with different access scopes. Scenario B shows a service registering with PrismGate to participate in the ecosystem at two trust levels: Level 1 (domain-bound token, proven in PoC 3 June 2026) and Level 2 (ECDSA key pair with proof of possession, proven in PoC 7 June 2026). In both cases, the verifier receives only a cryptographic result: valid or invalid. No name, no role description, no history of access events linked to an identity is stored or transmitted. The document includes screenshots taken directly from the live running demonstration. All claims are classified by status: proven in PoC, follows from open standard, or architectural design choice. Part of the Prism Ecosystem. Full technical architecture: The Prism Protocol, Invention Disclosure v20, DOI: 10.5281/zenodo.20029291.

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