---
title: "Overview"
description: "Step-by-step sequence diagrams for credential issuance flows via OID4VCI."
stack: "Community Stack (open source) — version 0.21.0"
stack_version: "0.21.0"
stack_comparison: https://docs.walt.id/community-vs-enterprise.md
canonical_url: https://docs.walt.id/community-stack/issuer/protocol-flows/overview
generated: 2026-07-20
---
# Overview

Sequence diagrams for common issuance flows. Each flow shows the full request lifecycle — from the portal initiating issuance through to the wallet storing the credential.

## Available Flows

- [mdoc Issuance via OID4VCI with Cloud KMS](https://docs.walt.id/community-stack/issuer/protocol-flows/mdoc-issuance-oid4vci-kms.md) — Full issuance flow for an mdoc credential signed via an external TSE/Vault KMS.