Signature verification vs. voter ID: how the two systems actually differ

A trained worker pulls up the signatures a county has on file for you, from your registration form, MVD records, and prior ballot envelopes, and compares them to the signature on your envelope. If the reviewer is not satisfied, the envelope goes to a second-level review, and then to the curing process where the county tries to contact you.

Its strengths: it requires nothing extra from the voter and it catches envelopes signed by someone else. Its weaknesses: handwriting changes with age, illness and injury; the judgment is subjective; and reviewers work at enormous volume against a deadline.

You present or provide a government-issued identification, and the number or document is checked against your record. It is a match-or-not check rather than a similarity judgment.

Its strengths: consistency, auditability, and speed. Its weakness: it depends on the voter possessing current identification, which is exactly why Prop 144 pairs the requirement with free government-issued ID.

Opponents point out that older, rural, disabled and low-income voters are likelier to lack current identification. That is a real concern, and it is the reason the cost provision matters so much. Supporters counter that signature verification has its own equity problem in the other direction: it is precisely older voters and voters with tremors, strokes or arthritis whose signatures drift and get flagged for curing.

Neither system is costless. The question is which failure mode you would rather have, and whether the free-ID provision is delivered in practice.

Because it is explainable. A voter whose ballot was rejected for a signature mismatch has to be told a specialist thought their handwriting looked different. A voter who provides ID has a rule they can satisfy in advance and confirm for themselves. Predictability is its own kind of access.