Inside the Vegas nightclub that launched its own cryptocurrency

It's 11:15 p.m. on a Friday night and a man in a white button-down shirt named Joey just ordered me a shot of Fireball. It's a little hard to hear him over the music blasting from the other side of the velvet ropes, but the club's director of services leans in close to make sure I can hear him.  "Excellence and hospitality in the crypto world," Joey says in response to my request that he describe just what, exactly, is going on here.  SEE ALSO: Crypto-rich make it rain magic internet money in ...