People are able to keep track of their drivers license or ID card. I think I'm envisioning a process where identity is verified during registration, and a card similar to a drivers license is issued that has a photo and works like a voter ID, and maybe on the back side is a QR code for easy scanning at the polling location, as well as a 12-word code that could be used to verify the identity if the voter chooses to use mail-in or drop-off voting.
And I'm just spitballing and thinking of ways to both improve the accuracy and integrity of the vote, and facilitate confidence in the process. I'm not really proposing a specific system at this point.