I said that it's an inevitability not a done deal. Governments will probably provide a backup of sorts - like now when you fly you can say that you don't want y

I said that it's an inevitability not a done deal. Governments will probably provide a backup of sorts - like now when you fly you can say that you don't want your face scanned but the backup is to go wait in another line. The only backup that I can envision is to memorize a long passphrase.