OID4VCI Pre-Authorized Code + tx_code
Pre-authorized credential issuance with mandatory transaction code enforcement at token exchange — the offer's grant block declares a tx_code object requiring wallet to include a user-entered code (OID4VCI §6.1).
OID4VCI Pre-Authorized Code + tx_code
Pre-authorized credential issuance with mandatory transaction code enforcement at token exchange — the offer's grant block declares a tx_code object requiring wallet to include a user-entered code (OID4VCI §6.1).
Verifiable Credentialstx_code Required
Sequence Diagram
Click any step for details
Request
Response
Redirect
Internal
Step-by-Step Breakdown
1
Resolve Credential Offer with tx_code
Wallet → Credential Issuer
2
Discover Issuer Metadata
Wallet → Credential Issuer
3
Token Request with tx_code
Wallet → Authorization Server
4
Token Response
Authorization Server → Wallet
5
Credential Request
Wallet → Credential Issuer
6
Credential Response
Credential Issuer → Wallet
Token Inspector
Specs for this flow
Sections of the protocol that normatively define this flow, plus the security considerations that apply to it.