Sports betting is a prediction of sport results and presentation of results. The frequency of sports betting varies according to culture, and the vast majority of bets are offered to the association of football, football, basketball, baseball, ice hockey, racing bikes, car racing, mixed martial arts and boxing at both amateur and professional levels. Sports betting can also be applied to non-sports events, such as Reality Shows and Political Elections, and inhumane competitions such as horse racing, high-speed racing and illegal, underground dog battles.

Sports betting bets are lawfully provided by the use of a book or sports champion, or illegally through private companies, called "booklets." The term "book" refers to books used by wagebrokers to track bets, payouts and debts. Most legal sports books are found on the Internet, used online from jurisdictions separate from the customers they serve, usually in different markets, such as the Law on the Unlawful Online Gaming Act (2006 in the United States) in various gambling laws. Like Las Vegas, Nevada, or gambling cruises through self-service kiosks. They take bets up, which means that the betting participant has to pay a sports check before placing the bet. Due to the nature of their business, unlawful books can operate anywhere, but only require money to lose their bets and does not require prepaid money to create a debtor's ability to make a bet. It creates several other criminal acts, thus promoting their unlawfulness.