A casino is a gambling establishment where people can exchange money for chips to gamble on games of chance or skill. To gamble at a casino, one must be of legal age and follow the rules and regulations set by the establishment. Several states have laws that govern casino gambling, including minimum betting and age requirements.

Most casinos have table games, like blackjack and craps, that are conducted by live croupiers. Some offer electronic versions of these games, in which players place bets by pushing buttons. Some casinos also host poker tournaments and other events. In some cases, these events are free to attend.

Many casinos use technology to enhance security and enforce their rules. For example, video cameras monitor game play, and in some games (such as baccarat), computers analyze the results of each hand to ensure that players are following optimal strategies. In addition, a system called “chip tracking” connects betting chips to computer systems that record their movements minute by minute and warn the players of any anomalies; roulette wheels are regularly electronically monitored for statistical deviations from expected results. Despite these advances, however, the house edge in most casino games remains high.