Prison Break: From Proprietary Data Sources to SSI Verifiable Credentials. - Katja Assaf; Alexander Mühle; Daniel Köhler; Christoph Meinel (AINA (2), 2023)

Requirements of a Digital Education Credential System. - Alexander Mühle; Katja Assaf; Daniel Köhler; Christoph Meinel (EDUCON, 2023)

One to Bind Them: Binding Verifiable Credentials to User Attributes. - Alexander Mühle; Katja Assaf; Christoph Meinel (SECRYPT, 2023)

Anonymous Credentials and Self-Sovereign Identity - An Initial Assessment. - Katja Assaf (AINA (6), 2024)

Managing Complexity in Safety-critical Railway Signaling Systems using Simplex Architectures. - Robert Schmid; Katja Assaf; Clemens Tiedt; Frederic Reiter; Dirk Friedenberger; Andreas Polze (ISORC, 2024)

From Paper Trails to Trust on Tracks: Adding Public Transparency to Railways via zk-SNARKs. - Tarek Galal; Valeria Tisch; Katja Assaf; Andreas Polze (CoRR, 2025)