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AffixIO Research

ZK Selective Disclosure for eIDAS 2.0 and the EUDI Wallet

Prove you are over 18 without revealing your birthday or linking every login.

AffixIO Research · June 2026 · ~3 min read · 2 sections
eIDAS 2.0EUDI WalletSelective DisclosureVerifiable CredentialsSD-JWTDigital Identity

The EUDI Wallet rollout needs selective disclosure that scales across 27 member states. SD-JWT works, but linkability bites at scale. We outline a ZK-native wallet architecture with predicate proofs for age thresholds and attribute claims.

Summary

The EUDI Wallet rollout needs selective disclosure that scales across 27 member states. SD-JWT works, but linkability bites at scale. We outline a ZK-native wallet architecture with predicate proofs for age thresholds and attribute claims.

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