Across Europe, the student ID is moving from a physical plastic card to a smartphone-based form. The drivers include EU regulation (eIDAS 2.0 and the EUDI Wallet), growing user expectations around mobile services, and the interest of platform and access control vendors in digitising existing processes.\n\nThe reality on the ground is fragmented. Apple already supports third-party credentials in its Secure Element; Google will announce its roadmap in autumn 2026; access control vendors are split between proprietary apps and waiting for the platforms to settle; member states roll out their own national digital identities in parallel; and the new Aliro 1.0 standard, published in February 2026, adds another building block.\n\nThe talk gives an architectural overview: where the change comes from, why native mobile wallets are currently the most pragmatic bet, what role backward compatibility with smart cards plays, and how HEIDI — a cloud platform for issuing wallet credentials to higher education institutions — keeps personal data out of the cloud by design.\n\nA practical cross-section of hardware crypto, cloud API design and EU standardisation — all in motion at once.

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