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For EU citizens, the prospect of crossing into another member state, opening a bank account or registering with a doctor without needing a physical document is about to become reality. That's the idea behind the European Digital Identity Wallet, known as the EUDI Wallet, and it's closer than many people might think.

 

For British residents in Spain, whether the wallet will have any relevance remains unclear for now, as the current framework describes it specifically as a tool for European citizens.

 

By the end of 2026, EU citizens will be able to start adding documents such as their ID card, driving licence or university degree to the wallet. By 2027, the full system should be operational, allowing those digital identities to be recognised and used across all EU member states.

 

Gonzalo Álvarez Marañón, director of research at Funditec Research and a PhD in computer science, describes the interoperability between countries as one of the most significant advances the wallet will bring. "Thanks to the digital wallet, identification will be faster in banks, healthcare, public administration, and online processes that still require scanning and uploading ID cards," he said. For anyone who has ever had to produce multiple copies of the same document for different bureaucratic processes in Spain, that will sound very appealing.

 

One of the less visible but potentially more important benefits is that the wallet could significantly reduce the number of document copies sitting on external servers that citizens have little knowledge of or control over. Álvarez Marañón describes it as "the first serious mechanism for European citizens to decide what data they share, with whom, and when," adding that because less data is shared in each individual transaction, overall exposure is reduced.

 

That said, he's also honest about the trade-offs. The lack of proper audits on state servers remains a concern, and the technical ease of requesting digital verification could mean that more services start requiring it in situations where they previously didn't bother, raising genuine questions about increased control and surveillance.

 

It's also worth remembering that not everyone is equally comfortable with digital technology, and the degree of digitisation the wallet requires could be a real barrier for some users. The wallet will be voluntary, at least for now.

 

As for how quickly different countries will adapt, Álvarez Marañón is realistic. "The Nordic countries, Germany and Estonia, with their digital infrastructure and institutional culture, will lead the way," he said. "Spain, Italy and Eastern European countries will progress more slowly, limited by administrative capacity and public trust in digital institutions."

 

It's a genuinely significant development for anyone navigating life across EU borders. But as with most things digital, the devil will be in the detail of how it's actually implemented.