王兄，随机大小，这个创意有点少，能不能做成美女翻扑克牌游戏，也是比较大小。。翻牌动画在客户端，数据由区块产生。

This is pretty cool.  You have even addressed the issue where the prizepool needs to be able to grow etc like chancecoin.  I really don't think there is another way.  Do not ever use the term share dilution for when a person wins.

 +5% +5% +5%

看样子你的进展不错啊 :P :P :P

1. one  random variable using block generated random number, R1
2. another random variable using ticket transaction hash rather than ticket generated lucky number. R2
3. ticket win condition:
Range = 100000000
(R1 % Range + R2 % Range ) % Range < Range/odds.

4. Payout accounting using chancecoin's approach
http://chancecoin.com/technical

5. share dividends each block == house edge. (expect result in long term)

6 no need to care/log ticket sale, expected winners, etc...., each ticket is independent from others.

more to draft, this feature is now quite similar to the classic satoshi dice.