A Blackjack Deposit Bonus is a promotional offer provided by online casinos to attract players to their blackjack tables. Typically, this bonus matches a percentage of the player's initial deposit, allowing them to start with extra funds to enhance their gaming experience. For example, a 100% deposit bonus up to $200 means that if a player deposits $200, they receive an additional $200 in bonus funds. This incentive not only boosts bankrolls but also encourages players to explore various blackjack variants, increasing their chances of winning while enjoying the game.