There are several common myths and misconceptions regarding the origins of blackjack. One prevalent myth is that the game originated solely in the United States, when in fact, it has roots in European card games, particularly the French Vingt-et-Un. Another misconception is that the term "blackjack" comes exclusively from a specific hand that includes the ace of spades and a black jack (the jack of spades or clubs), whereas the name actually evolved from earlier betting games trying to promote players’ participation.