Wouldn’t catch illegals, just keep anyone from voting twice. And I sure there are washes that could wipe away any ink in existence that might be used in this country.
It might have a deterrent effect against the illegal voters. Maybe.
And you could have several formulations of the purple ink in circulation, not all of which are readily removed by common solvents.
can we assume that in some run down districts in Cally, they dont even ask?,Yo Man, no problemo! here u go manuel and jose,an all Democrat ballot for you, and when u finish,we will give you directions to the next closest precinct.
It's a start. There will always be elaborate ways to avoid this or that measure.