A registered voter receives a QR code by mail. A separation of voter identification and votes to ensure voter anonymity is the principal feature of the solution. The votes are stored on a blockchain attested by election officials. Obviously, this patent is too late to be developed and deployed for this election.
Phi Beta Iota: Forbes was wrong. Dr. McKinney saw the QR code on her own ballot. Copy of the patent below.
And then there is this: