BetChain accepts payment in six cryptocurrencies: Bitcoin, Bitcoin Cash, Litecoin, Ethereum, Dogecoin, and Tether.Aside from on-site support, you can send an email to [email protected] or contact Roobet through Twitter and Telegram.For players who have cryptocurrencies to spare, there is a Bitcoin Sports Welcome offer that will match your first BTC deposit 100% up to mBTC 30.  The types of games you can try your hand at include card and table games, slots, and video poker, as well as virtual sports and multiplayer games.Transactions & Payment Policies.