Yes but the problem in all spin wheel (or slots game in casino) is not possible to have provably fair 100% because win number in wheel is determinated. This system work only with non determinated game like roulette because the player choose random number but the system for Lucky bitcoin is not rigged and 100% random this game use only probability (if you play its easy to view u have 50/50)
And for fee yes is high i view with my colleague for reduce this to 0.0001
Thanks for feedback
This is not provably fair.
You are using time, it is not a reliable provably fair method. You could adjust the time by just a millisecond and nobody will now it. We have seen this before in luckynumber and in edendice (they changed it after I told them).
If you want to be considered that you are provably fair you need to find another way and not with timestamp.
Also how are you running 50/50 without house edge? I see you can win 9 times and lose another 9 in the x2 wheel. A house edge of 1% is risky for a casino and you just do not have one