Little known fact of the regulation on the European digital identity wallet in Article 5a(3):
"The source code of the application software components of European Digital Identity Wallets shall be **open-source licensed**. Member States may provide that, for duly justified reasons, the source code of specific components other than those installed on user devices shall not be disclosed."
https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A02014R0910-20241018&qid=1731648315513