The paper ballot doesn’t change once you take your eye off it. Of course election fraud is possible in any system, but it is really easy to make it practically

The paper ballot doesn’t change once you take your eye off it. Of course election fraud is possible in any system, but it is really easy to make it practically impossible in a paper system by simply allowing observers at any stage of the process. The system is so simple that anyone can detect wrongdoing. That is of course not true with all-electronic voting.