made me chuckle for some reason  
register wasn't too bad - no funny stuff like "confirm your phone number" or "to be accepted your password must consist of at least 1 digit , 1 egyptian letter, 2 clingon consonants and a special symbol"
the site itself shows that  admin is a staunch supporter of minimalism in code and also , most likely is a russian speaker
since many of the English translations are very familiar , like "write in support" or "referrals" (affiliate)
provably fair implementation is strange , it gives you a hash and then you can put it into a form and click it ... and voala it is fair
it is not the way provably fair works ,sadly - no changing the seed , no other info just a sad lonely random hash we do not know anything about