What is EUDI and how does Dusk Network's Citadel fit in it?

On 10 February, 2023, the European Union published an exciting, but incredibly complicatedly named document, specifically The Common Union Toolbox for a Coordinated Approach Towards a European Digital Identity Framework: The European Digital Identity Wallet Architecture and Reference Framework, or ARF. We will dive into this document and what it means for Europe and for Dusk Network here, and to keep things brief, will follow the EU’s own suggested abbreviations for this document: EUDI and ARF.