Bitcoin is undoubtedly the the most popular cryptocurrency in the world and one of the best to play online casino games in.
CryptoBet also offers the following currencies  which are also good: LiteCoint(LTC), Ethereum (ETH), TRON(TRX), Ripple (XRP), Monero (XMR), BitCoin Cash(BCH), Verge (XVG), EOS, ZCash (ZEC), BTC.LN, DogeCoin (DOGE), DASH, XEM and NEO