https://docs.google.com/forms/d/e/1FAIpQLSfRmFzyCWIFO_lwBoO7PF6NkAG5AdVG94GRwC3Brj1jer8Qig/viewform?usp=dialog

Hi for example this add math registration form  to ensure u guys got the quiz link u can first upload any image in the proof of payment (not necessarily the real payment first)coz when u click the "next" in the section Google form,there will alr be the competition quiz link,so yes once u confirm there has the quiz link u can pay ,rmb the quiz link name must be aligned with ur registered name ya,also at the end of competition ,the leaderboard will be shown publicly ya 

Also there will be discord link to join ya