Credential Issuance

Credential issuance is the process of creating and distributing digitally signed credentials to holders.
Issuers collect known data about a subject (these data points are called claims), structure it as a credential, and apply a cryptographic signature. This signature allows others to verify:

• Authenticity: the issuer attested to the data.
• Integrity: the data has not been altered since issuance.

After signing, the issuer delivers the credential to the holder. Verifiers can later validate it without re-contacting the issuer, enabling decentralized and efficient verification workflows.

Issuance methods supported by MATTR VII

MATTR VII supports two issuance approaches:

• OpenID4VCI: Standards-based issuance using OpenID for Verifiable Credential Issuance. Supported flows:
  • Authorization Code: Available for all MATTR credential formats (mDocs, CWT).
  • Pre-authorized Code: Only available for mDocs.
• Direct issuance: Submit a payload via API to be signed as a credential, then deliver it to the holder. Supported for CWT credentials.

Underlying platforms

All issuance capabilities are provided through MATTR VII tenants, accessible via the MATTR Portal or API.