I'm betting 1 MIN ( Player is MC ) , i bet both win & lose , to test if it's working .
This is guide if you haven't known how to bet
1 - Get Profile Player Link Go to
http://wcs.battle.net/sc2/en/schedule , you see list of upcoming match , look at Player Name for each Match

Click player name to get
Profile Link , this is link for profile page , copy it
2 - Betting Open Min wallet , go Betting Tab , paste copied link into textbox -> Click Generate

Well , send coin to WIN ADDRESS if you bet he WIN , and vice serva