On Architecture -- The Institutional Logic of Harmonization: Local versus Global Perspectives -- Systems Approaches in the Enterprise Architecture field of research: A Systematic Literature Review -- Affordance-driven Software Assembling -- Understanding Architecture Principles as Working Mechanisms -- On Security and Blockchain -- Conceptualizing DEMO business transactions with Blockchain HyperLedger Composer to enable Traceability and Control -- Enterprise Engineering in Business Information Security: A case study in Security, Risk and Compliance Artefact Engineering -- Exploring a Role of Blockchain Smart Contracts in Enterprise Engineering -- On DEMO -- Validating the DEMO Specification Language -- Modeling the system described by the EU General Data Protection Regulation with DEMO -- DEMO As A Tool of Value Co-Creation Strategy Realization -- Colored Petri-Net for Implementing DEMO/PSI Transactions for N Actor Roles (N>=2) -- On Teaching -- On Teaching Enterprise Modelling. .