Shuffling in blackjack refers to the process of randomizing the order of the cards in the deck or shoe before gameplay begins. This is crucial for ensuring fairness and unpredictability, as it makes it difficult for players to anticipate which cards will be dealt next. The implications for players are significant; a well-shuffled deck minimizes the effectiveness of card counting techniques and impacts the overall odds of the game. When cards are shuffled thoroughly, players face greater uncertainty in their strategies, as they cannot rely on previous cards to dictate their betting decisions.