Blackjack , also known as "21" is one of the most popular card games in every casino . The origin and history of blackjack are hotly debated . Some believe it was played for the first time in ancient China , but others think it was invented in France in the eighteenth century .

Today blackjack is also extremely popular in online casinos . Modern technologic to recreate exactly the gaming experience and atmosphere of real blackjack casinos . The first online casinos opened their doors in the early nineties and blackjack was one of the first games to be introduced . The first games of blackjack were rather simple , but in terms of game play options not left behind its real equivalent .

As technology progressed , the blackjack tables became more sophisticated . Today graphics and effects used latest technology , increasingly resembling modern video games . There are many variants of blackjack available online.

The traditional blackjack is played in real casinos is still dominant in all online casinos . In this variant, the game begins when the dealer gives two cards face up to the player and then one card face down and one for himself .

Then the player can "go" that means asking a new letter or " planted " that means not accepting any new card . Then the dealer discovers his letter . If the value of the player's hand is higher than the dealer's , the player wins.

Neither the player nor the dealer are allowed to exceed 21 points. The first thing exceeds automatically loses the game . Receive cards with a total value of 21 points can win the game instantly. Blackjack Surrender is a special variant some casinos that offer blackjack online . As in the traditional blackjack , in Blackjack Surrender the player receives two cards face after the casino is dealt a card face up and one face down .