10% for now. But definitely will go down as more users will join.
Thank you for the quick response, I really appreciate it! But, to be honest, I didn't expect the house edge to be that high especially for this kind of games (based on smart contracts) were there aren't many expenses!
People will be reluctant to play the game so it will be hard for you to attract new players especially in such competitive business.
Also there is affiliate program which pays 50% so in theory you can sign up under yourself.
So it's OK to register under yourself! Can't this feature be abused?