Under CopyrightMartinez Jurado, VictorVictorMartinez JuradoVila, XavierXavierVilaKubach, MichaelMichaelKubachJohnson Jeyakumar, Isaac HendersonIsaac HendersonJohnson JeyakumarSolana, AlbertAlbertSolanaMarangoni, MatteoMatteoMarangoni2023-11-222023-11-222021https://publica.fraunhofer.de/handle/publica/41309610.24406/publica-fhg-413096Technical interoperability of the issuance, presentation, and verification of verifiable credentials (VC) across domains of trust is a current challenge for self-sovereign identity. We present an approach incorporating different levels of assurance and trust domains in an eIDAS compliant way. This is illustrated through a use case with real-world relevance: the issuance and cross-border usage of the European Health Insurance Card.enconference paper