Background: Diabetes mellitus is one of the most prominent examples of chronic conditions that requires an active patient self-management and a network of specialists.

Objectives: The aim of this study was to analyze the user and legal requirements and develop a rough technology concept for a secure and patient-centered exchange platform.

Methods: To this end, 14 experts representing different stakeholders were interviewed and took part in group discussions at three workshops, the pertinent literature and legal texts were analyzed.

Results: The user requirements embraced a comprehensive set of use cases and the demand for “one platform for all” which is underlined by the right for data portability according to new regulations. In order to meet these requirements a distributed ledger technology was proposed.

Conclusion: We will therefore focus on a patient-centered application that showcases self-management and exchange with health specialists.