Online sport betting, also referred to by sport booking, refers to the practice of placing bets on sporting events. Historically, bets on sporting events were placed in relation to the outcome of the event. PASPA has made it difficult to place bets online or in person on sports events, however Nevada does have an exception. To place venom1 needed to visit an operator for betting. Today, sports booking apps allow users to place bets using mobile devices and make payments. They also function as a digital clearinghouse to receive bet calls and payouts.