For companies subject to a legal obligation to accept payments, the support provided by d-you alone is not sufficient. For the services in question, they must also accept EUDI wallets from other EU member states that comply with the requirements of the eIDAS Regulation. The requirement therefore applies to the European wallet system, not to a single national app. Common technical standards are intended to enable cross-border use and facilitate integration. However, there is no general requirement for all companies. With sproof Ident , companies can integrate all EUDI wallets into their existing processes via a central interface.