Blackjack had been the most popular game in the United States for some fifty years and its popularity even beat the craps one. But then (in the early sixties), a famous math professor Edward Thorp brought blackjack second birth due to the mathematical basis added into the game. Since then Blackjack has been on the scene of the most popular and internationally beloved card games. The emergence of online casinos where players from all over the world can enjoy a game of blackjack without leaving their homes made it very popular. Among the advantages of the game played at online casino are players’ personal information confidentiality, an excellent reputation and high-quality service.