"Once you think you're happy, there's gonna be some type of tragedy," says Ghostface Killah. (Credit: Danny Hastings) In person, Ghostface Killah isn’t as intimidating as his name suggests.

Ghostface Killah of The Wu-Tang Clan. Credit: Fergus McDonald/Getty Images A lot has changed since the '90s — just ask Wu-Tang Clan's Ghostface Killah, whose world is now ruled by cryptocurrency ...