the whole point of this pointless exercise is that it’s literally impossible to undo fraudulent votes after they’re intermingled with valid votes. if we’ve learned anything in the past 8 weeks, it’s that.
that’s why voter ID is so critical.
Of course and that is why they are fighting tooth and nail for no id.
One thing that would end it immediately would be if caught with say 5% fraud threshold the state’s ballot totals are invalidated.
Fraud harms everyone, so everyone feels the consequences equally - invalidated vote ! For Presidential elections the legislature picks the electors. Everyone else a do over !