Having received free spins or cryptocurrency as a gift, the gambler must wager them.It’s free and perhaps you will win big!!The amount you win is purely based on luck!  It requires you to keep track of the cards (and don’t worry, you don’t need to be Rainman or Darren Brown), more specifically if the count of the deck is negative or positive.Hence, those who will opt to use Bitcoin should first learn some of the main drawbacks of this option.