Count me in. If there is a way to make this provably fair it will garner more participation.
No. The participation is sky high. There are almost a hundred sign ups already in the other thread.
Provably fair is a concept that only applies to gambling. You are risking exactly zero here.
People are paying members to put ads in their signatures.
You must forgo this opportunity in order to play. Hence your
risk is the opportunity cost.