I don't know but I have been play on freebitco.in and they paid me of course gambling are bad method for making bitcoin the best method is working or joining signature campaing
but i case you want join this is the proff they are paying ..
http://btc.blockr.io/tx/info/afd89363285c30d9a50647884e840db39527d9d6092dcae7400fbaec7f7c3a9bif you use ctrl+f and paste this 1MYDZsaSTSMrU9NxPc19Z3wy5hr3jiS28b cand find the pay.
always play in dice for fun never play if you want to make profit, and never invest more you can afford