Sedlmeir, Johannes; Smethurst, Reilly; Rieger, Alexander; Fridgen, Gilbert (2021): Digital Identities and Verifiable Credentials. Business & Information Systems Engineering: Vol. 63, No. 5. DOI: 10.1007/s12599-021-00722-y. Springer. PISSN: 1867-0202. pp. 603-613