. Our audits and reviews are straightforward and. Our audits and reviews are straightforward and. Looking for the best BTC, Bitcoin and crypto casinos? Here are the TOP 31 Bitcoin casinos reviewed with bonuses ranging up to 5 BTC + Casinos Audit is an independent, free, and public database of online gambling sites and casino bonuses reviews. Looking for the best BTC, Bitcoin and crypto casinos? Here are the TOP 31 Bitcoin casinos reviewed with bonuses ranging up to 5 BTC + Casinos Audit is an independent, free, and public database of online gambling sites and casino bonuses reviews.