"Coders always have the advantage of ''the first move'' always. You can try to prevent those ''first move'' but that will just lead them to do another ''move''.
Although it is possible to lower their amount by giving ''hard time'' to these coder to find that ''move'' that will actually works and eventually, make them Give Up because it would not be worth the time they have to put for the money they gain."
- Fr3ddy11