In a surprise announcement over the weekend, Tyler Winklevoss, co-founder & CEO of crypto exchange Gemini, tweeted, “Let’s play a game: Spot the @Gemini Crypto Bus. Reply to this tweet with your pics and #CryptoBus, best one wins 1 bitcoin (BTC). Right now they are in San Francisco, Chicago, and Washington D.C. Happy hunting!”

Winklevoss twins launching Gemini Cryptobus campaign in New York CIty, January 2019. (Photo by Gemini Twitter)