Betting exchanges

Betfair is a British gambling company founded in 2000. Its product offering includes betting exchange, sports betting, online casino, online poker, and online bingo. Business operations are led from its headquarters in London, alongside satellite offices in Ceuta, Dublin, Leeds, and Malta. In February 2016, Betfair merged with Paddy Power to create Flutter Entertainment.

Polymarket is a global cryptocurrency-based prediction market, headquartered in Manhattan, New York City. Launched in 2020, it offers a platform where individuals can place bets on future outcomes, including sports matches, economic indicators, weather patterns, awards, political and legislative outcomes, and military conflicts. Participants can deposit USDC cryptocurrency through the Polygon blockchain network and trade shares that represent the likelihood of specific future outcomes.

a marketplace for customers to bet on the outcome of discrete events