Trust / Credentials
Verifiable Credentials
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Trust · Module 03
Verifiable Credentials
W3C VC + DID standards with selective disclosure. Issue, hold, verify, and revoke.
Active credentials
+3.1%
48,210
Holders
+412
12,043
Verifications / day
+18%
9,240
Revoked (30d)
-4
35
Credential schemas
published to issuer registry
v2.1
ISO13485-QMS-Auditor
412
holders
502
issued
8
revoked
v1.4
GxP-Trained-Operator
1284
holders
1401
issued
22
revoked
v3.0
Supplier-Compliance-Cert
118
holders
128
issued
4
revoked
v1.0
Physician-License-Verified
88
holders
90
issued
1
revoked
Sample credential
W3C VC · JSON-LD
{
"@context": [
"https://www.w3.org/2018/credentials/v1",
"https://ledgercore.io/schemas/gxp-operator/v1"
],
"type": ["VerifiableCredential", "GxPTrainedOperator"],
"issuer": "did:ledger:z6MkNorthwind-corp",
"issuanceDate": "2025-06-30T14:20:00Z",
"credentialSubject": {
"id": "did:ledger:z6Mkf...8b21",
"name": "Marcus Yee",
"trainings": ["SOP-104", "SOP-217", "GxP-2024"],
"expiresAt": "2026-06-30T00:00:00Z"
},
"proof": {
"type": "Ed25519Signature2020",
"created": "2025-06-30T14:20:00Z",
"proofPurpose": "assertionMethod",
"verificationMethod": "did:ledger:z6MkNorthwind-corp#keys-1",
"jws": "eyJhbGciOiJFZERTQSIsImI2NCI6ZmFsc2Us..."
}
}Wallet preview
holder-side
Verified · 2025-07-18
GxP Trained Operator
Marcus Yee
did:ledger:z6Mkf…8b21
Issued by Northwind Medical
Expires 2026-06-30
Recent credentials
issued or updated
| Subject | Role | Schema | DID | Issued | Expires | Status |
|---|---|---|---|---|---|---|
| Elena Ortiz | QMS Auditor | ISO13485-QMS-Auditor | did:ledger:z6Mkf…hQ2p | 2025-07-12 | 2027-07-12 | verified |
| Marcus Yee | Operator | GxP-Trained-Operator | did:ledger:z6Mkf…8b21 | 2025-06-30 | 2026-06-30 | verified |
| Aurora Labs GmbH | Supplier | Supplier-Compliance-Cert | did:ledger:z6Mkf…c012 | 2025-07-01 | 2026-01-01 | verified |
| Ravi Chandra | Operator | GxP-Trained-Operator | did:ledger:z6Mkf…8a44 | 2024-08-14 | 2025-08-14 | pending |
| Dr. Ines Vollmer | Physician | Physician-License-Verified | did:ledger:z6Mkf…0e77 | 2025-05-20 | 2028-05-20 | verified |
| K. Nakamura | Operator | GxP-Trained-Operator | did:ledger:z6Mkf…d3b1 | 2023-04-01 | 2024-04-01 | revoked |