Certainly reason to know the about any casino where you place your bet. Whom are you betting for & against? Know with some degree of familiarity. Many will take bets. The Swiss excel in holding both sides of all international money bets. Escrow you might imagine. Then after the ponies run, the Swiss settle bets.
I prefer to stay away from the tables. Piloting is my way.
Disclaimer: Mark Twain (1835-1910-To be continued) is unlicensed. His river pilot's license went delinquent in 1862. Caution advised. Daily Paul ☑