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EUDI Wallet cross-border acceptance: one integration across the EU

Blog post from Didit

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Excluded from normalized aggregate trends after staff review: 3056 posts were attributed to March 2026; 671 shared March 14, 2026. The preceding six-month median was 13.5 posts.

Review evidence: 3,056 posts in March 2026; 671 shared March 14, 2026; preceding six-month median 13.5. Reviewed August 9, 2026.

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Post Details
Company
Date Published
Author
Didit
Word Count
4,197
Company Posts That Month
136
Language
English
Hacker News Points
-
Post removed?
No
Summary

EUDI Wallet cross-border acceptance is designed to let relying parties use one verifier across EU Member States because person identification data follows shared schemas, credential formats, presentation protocols, and Commission-published Lists of Trusted Entities, though national differences remain in optional attributes, language and name conventions, rollout timing, and wallet behavior. Relying parties register once in their home Member State, must validate credentials, trust chains, status information, and device binding, and should request only attributes covered by their registration to avoid inconsistent outcomes across wallets. Five PID attributes are currently mandatory—name, date and place of birth, and nationality—while addresses and national numbers are optional and portraits become mandatory in August 2028, leaving companies to collect missing information through other methods where required. No EU-wide customer identifier exists, so returning-customer matching depends on attributes and internal account associations, with public-sector matching rules serving mainly as a model for private firms unless national law extends them. Organizations are advised to support both mdoc and SD-JWT VC formats, handle Unicode names, partial birthplace data, unknown or stateless nationality codes, and variable address structures, test against Commission tools and national wallets, and retain document or national eID alternatives because wallet use is voluntary and some countries may launch later than others.

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