No phone support Geo-restricted live dealer games. Up next is 7bit, the best online Bitcoin casino for fans of progressive jackpots. You can find all sorts of slot games on the platform, from classic 3-reel slots to modern 5-reel video slots and loads of jackpot slots games with prizes worth over 1 million dollars, bitstarz sign up bonus. Other than slots, 7bit also features a good selection of table games like blackjack, roulette, and baccarat, as well as video poker, lottery-style games, and more.Withdraw your crypto to your personal wallet in minutes, bitstarz sign up bonus.Pick the preferred option from the list of currently available promotions, bitstarz sign up bonus. Complete the requirements for the promotion and receive the bonus. Remember to check back periodically as casinos regularly put up new promotions. Types of Crypto Casino Welcome Bonuses. When it comes to welcome bonuses, every casino has a slightly different approach.