Yes they are! Using Bitcoin at online casinos is convenient, extremely secure, and perfectly legal. Each of the online casinos you see on this page offers a comprehensive guide that provides step by step instructions and various tutorials for those who have never used Bitcoin or other cryptocurrencies. Bitcoin is the most secure option, typically doesn't carry any fees on the casino side, provides access to enhanced bonus options, and is the primary way you can get a same day payout of your winnings. Visit the banking suite or help section at any of the Bitcoin casino sites we feature above for more information.