In our last post in this series, we compared two credential formats that shape the digital identity ecosystem: ISO/IEC 18013-5 and -7 mobile documents (mdocs) and W3C Verifiable Credentials (VCs). Both formats define how a credential is structured and shared, but neither can function without an issuance process. This blog post explores what it takes to issue verifiable digital credentials, with a focus on mobile driver’s licenses (mDLs). We’ll look at how issuance works today in practice, where inconsistencies exist, and how standards bodies (FIDO, ISO and OpenID Foundation) are working to