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> If the airline knows your name, and their attendants see and verify your face when boarding anyway, then are we losing anything through the use of face scans?

Your face scan is now online waiting for the next data breach.

I have seen neobanks requiring such 3D face scans but not Ryanair yet.

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> Your face scan is now online waiting for the next data breach

Completely understood, but the point is that it's at CBP or UK Border Force or Bundespolizei, and it's in the security camera system at the airport, too.

If you've been a visitor to Australia recently, you'll be all too familiar with the process of using your phone to scan your face plus passport data.

When you enter the airport, you walk past signs notifying you of extensive surveillance camera use.

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