Medici Ventures, the leading blockchain accelerator and subsidiary of Overstock.com, Inc. (NASDAQ:OS...: Medici Ventures, the leading blockchain accelerator and subsidiary of Overstock.com, Inc. (NASDAQ:OSTK) announces its new appointment to its executive leadership team. Jeremy Smith, who formerly served as a development manager for Medici Ventures, has been named to the role of Chief Technology Officer “Medici Ventures and its companies will benefit greatly from the experience Jeremy will bring into his new position,” said Jonathan Johnson, president of Medici Ventures.