On Saturday at 6:50 p.m., 21 of the most esteemed classes of 3-year-old horses will run one and a quarter miles at Churchill Downs racetrack. In the U.S., the fun starts on NBC at 2:30 p.m. Eastern and it will be streamed live on NBC Sports Live. Can you bet on the Kentucky Derby with crypto? In short: kinda. The operators of US Racing, a racing info and betting website, are bullish on the future. “Right now, while punters are limited to a handful of private international gaming companies that will accept deposits with crypto currency, players with crypto wallets can use Bitcoin, Bitcoin Cash or Litecoin to make a…