We are pretty confident in our code. We log many different hack attempts every day.
Judging from your words, it seems you are losing confident yourself with your code . Basically if you are confident enough, you wouldnt even invite people to "exploit it" . Also if substrata decided to exploit it, you will know whats the exploit is by checking on the log and fix them yourself without the need to pay him the bounty
Exploit it please, and earn 1 btc.
Dooglus never speak ill of a gambling sites without proper calculations . If he says there is an exploit at your site then there is, take his words and fix your site rather bashing through this thread because it is a harm to your business if you dont . The lost for you will be much more if you dont take his advice
P.S : Im fairly confident that the number of people rolling in your site might be 2x more than the usual number . With all of them trying to find how to get the +EV