Industry Groups Warn Biometrics Rules Could Complicate EUDI Wallet Adoption

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Questions around how biometric data should be regulated in Europe are creating fresh uncertainty for the rollout of the European Digital Identity (EUDI) Wallet, with industry groups warning that conflicting interpretations could complicate implementation plans across member states.

The debate intensified after Spain’s data protection authority concluded that biometric verification cannot be offered as the sole authentication method for digital identity applications under certain circumstances. Industry groups state that the interpretation could have broader consequences beyond Spain, particularly as countries prepare to implement EUDI Wallets ahead of their mandatory rollout deadlines.

The Age Verification Providers Association warns that limiting biometric authentication could pose practical challenges for high-assurance identity verification, since alternatives such as PINs or device-based authentication alone may not meet the requirements of higher-risk use cases. 

The group called for clearer guidance at the European level to avoid fragmentation between member states.

Under current rules, EU member states are expected to provide digital identity wallets to citizens by the end of 2026, with the framework designed to support cross-border credential sharing across sectors.

Supporters of biometric verification argue that it’s often used not as a replacement for identity checks but as a mechanism for binding digital credentials to the legitimate wallet holder, and recent implementations of wallet onboarding have similarly emphasized stronger remote identity-proofing requirements and levels of assurance.