betfair and others I use don't take bitcoin yet, but are licensed so do use them, but have bitcoins and wanted a similar site game wise that will be easy for me to use, but was worried how to tell if provably fair and regulated
If you are looking for a Betfair alternative using bitcoins, you might definitely try
www.betbtc.coWe are probably the most promissing dedicated Bitcoin Sports Betting Exchange around, we cover almost all features offered by betfair, we are working to have more features and also licence as well.
Check our official btctalk topic or go directly to our website.