6. Runtime View The runtime view describes concrete behavior and interactions of the system’s building blocks in the form of scenarios from the following areas: Important use cases or features: how do building blocks execute them? Interactions at critical external interfaces: how do building blocks cooperate with users and neighboring systems? Operation and administration: launch, start-up, stop Error and exception scenarios 6.1. Collection Creation 6.2. Minting Config 6.3. Metadata Retrieval