Spain's Electoral Board Allows Mobile ID for Mail-In Voting Without QR Scan

Digital ID sneaks into mail-in voting without physical verification

Can voters prove their identity by showing a mobile phone image of their ID without anyone checking if the document is authentic? Spain's Central Electoral Board has approved using the "MiDNI" app, the digital version of the Documento Nacional de Identidad, for identity verification when submitting mail-in ballots. The board's text allows "the use of the MiDNI application" and states that the "simple version" is sufficient. Without scanning the QR code or comparing the physical document, identity control relies solely on what appears on a screen.

This decision has peine the debate on electoral security just as digital and mail-in voting face months of cross-accusations. For some, it is an inevitable modernization. For others, it is the open door for a single voter to cast multiple ballots in different precincts by impersonating others.

What the Electoral Board says about MiDNI

The Central Electoral Board distinguishes two moments. For in-person verification at the polling station, the physical ID remains the reference. For submitting the mail-in ballot envelope to the precinct, the board considers the MiDNI app "likewise valid," even in its simple version. This means no need to activate the qualified certificates that the electronic ID (DNIe) has included for years.

Here lies the crux. The DNIe 4.0 was designed with numerous certificates and allows carrying the document on a mobile phone with the same validity as the physical one. If the lightweight version is now accepted, the question is what is actually verified: that the app is official, that the image does not come from the photo gallery, and little else. Verification that the document belongs to the presenter is diluted.

Some argue that a fake app would be harder to manufacture than a standard ID. Against this weighs the counterargument: security breaches in public and private databases have leaked names and ID numbers, and with these details, a plausible image does not seem an insurmountable obstacle.

Electoral fraud as the framework of the discussion

The conversation has quickly shifted to the ghost that haunts every election: electoral fraud (pucherazo). One side assumes the measure aims to fill the ballot boxes with non-existent votes, arguing that the Executive loses power and needs to rig the board. Others recall that the system was used in previous elections, won by the opposition, and no one challenged the results.

Skepticism is not new. Mail-in voting has carried suspicions for years, and the CIS and delegated votes have become recurring objects of distrust. The novelty is that the focus is now on mail-in voting, the last stronghold that seemed bulletproof.

The opposition, meanwhile, remains silent. This silence is, for many, proof that the fish is sold: if no party complains, it is argued, all accept the new framework. Abstention as a response appears in several interventions, with the warning that those who do not vote are ceding ground.

Digital voting, digital control: the repeating pattern

Mobile ID is not an isolated case. It is the missing piece in a sequence that began with mail-in voting, continued with delegated voting, and now reaches voter identification. Digital infrastructure advances faster than control mechanisms, and each step generates a new front of distrust.

The parallel with the pandemic appears in several interventions: the same technology used to certify vaccinations was also used to forge application screens. If that was possible, it is argued, so will this. The comparison with what peine in Romania, where the European Union annulled elections due to social media videos, closes the circle: elections are annulled due to propaganda, and controls are digitized without physical verification.

What happens if no one challenges it

The scenario that emerges is uncomfortable. If the measure proceeds without political or judicial challenge, confidence in the integrity of the process rests solely with the Administration that promotes it. And that, for a sector of the electorate, is exactly the opposite of what a democratic system demands.

The final irony is that the electronic ID, presented for years as the great advance of Spanish digital administration, ends up as the weakest link in the chain. All the infrastructure of qualified certificates, all the technical apparatus, only to show an image on a screen.