Banking heir and cryptocurrency bigwig Matthew Mellon has died, a representative for his family said in a statement. Mellon, an early backer of global settlement network Ripple, was the ex-husband of Jimmy Choo guru Tamara Mellon and of designer Nicole Hanley, his second wife. A rep said in a statement: “Billionaire Matthew Mellon, 53, died suddenly in Cancun, Mexico, where he was attending a drug rehabilitation facility. Mellon made his fortune in cryptocurrency, turning a $2 million investment into $1 billion. He is survived by his three children, Force, Olympia and Minty. The family asks that their privacy be respected...