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‘Google Is a Monopolist,’ Judge Rules in Landmark Antitrust Case
(www.nytimes.com)
This is a most excellent place for technology news and articles.
You are talking about the id card reader, not independent 2FA devices that generate codes. Also, in some countries you can get a SIM card with special certificates that can be used for identification and document signing, they work on virtually any modern phone. I think that feature uses the SMS protocol underneath, but I couldn't find the confirmation.