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The implementation of the EUDI wallet will soon become mandatory for all EU Member States [1]. This will establish an EU-wide standard for digital credentials in the form of Verifiable Credentials (VC) and implement the principles of Self-Sovereign Identity (SSI). This self-sovereignty empowers users to store and present digital credentials exclusively on their own device, in a wallet designed for this purpose. In my paper for the 25th Academic Talent Conference (NWK) at Merseburg University of Applied Sciences, I developed and presented a solution that utilises the capabilities of the EUDI wallet to issue AI-generated images as Verifiable Credentials.
The characteristics of self-sovereign identity in the form of verifiable credentials can be clearly illustrated using the SSI interaction diagram shown in Figure 1. For example, if a university administration, acting as an issuer, issues a student ID card to a student in the form of a verifiable credential, this credential is stored exclusively on the holderās (the studentās) device. If the student wishes to identify themselves to a library, for instance, as an accepting entity, they can present this credential. The library does not need to contact the university administration. The authenticity of the verifiable credential is verified by means of the digital signature with which the university administration has signed it. All that is required is the libraryās trust in the university administration. The library can also check a trusted data register to see whether the credential has been revoked ā for example, due to compromise ā and reject it accordingly.
