Credential Lifecycle
Verifiable Credentials follow a three-stage lifecycle: issuance, storage, and verification.
Credential Flow
The diagram shows the credential's journey from Issuer to Holder, then to Verifier. Cryptographic verification is performed on the ledger at each step.
Credential Types
| Credential | Attributes | Use Cases |
|---|---|---|
| Diploma | Name, surname, university, faculty, department, degree, GPA, graduation date | Job applications, graduate admissions, professional licensing |
| Transcript | Student number, total ECTS, GPA, academic status | Academic evaluation, transfer, scholarship applications |
| Student Certificate | Enrollment status, semester, financial status | Student discounts, dormitory applications, military deferment |
| Student ID | National ID, date of birth, enrollment dates | Identity verification, library access, campus entry |
Credential States
Zero-Knowledge Proof
The platform offers ZKP support for selective disclosure. For example, from a diploma credential, only graduation status can be shared - other information like name and department remain private.
| Feature | Description |
|---|---|
| Attribute Selection | Share only required fields |
| Predicate Proofs | Value comparison (age > 18) |
| Non-correlation | Untraceable presentations |