Georgia bill to strip QR codes from ballots would cost tens of millions of dollars

[patphil]

3. The real reason they don't want QR codes is that it makes it much harder to insert fake ballots into the vote stream.

And, since each vote has a QR code that insures it's validity, you know when and where the vote was cast.
Republicans don't like that, since it reduces the possibility of fraud, and gives them less leverage on their whole "stolen election" mantra.