Fábio De'Rose
Veteran
For scrambling, their should be a test 20-25 questions long, giving a scramble and asking what the UBR piece is after doing the scramble.
Uh... But the official scrambling software already outputs an image of how the cube is supposed to look like after the scramble has been applied.
Also, I can only speak on behalf of the comps I personally attended, but in all of them the scramblers were well known, trusted members of the local cubing community (who also happen to be fast (sub 20 and below) Cubers, as to ensure a quick procedure).
Not to mention the Delegates were always present to make sure everything runs in accordance to the regulations.
All in all, most of the overly logistic "solutions" being proposed here, in my opinion, can be easily replaced with one thing only: Common sense from all involved parts.