How much is your house edge? You says that you have low house edge but afaik this kind of games has higher house edge compared to other games.
By the way, since you are ethereum based gambling site, you should move this topic into Service Announcement (Altcoins).
Also a reminder for you, dont bump you own topic more than 1x in 24hours.
You did it 3 times in a row hours ago. You are full member already, you should have known about the forum rules better.