A16z-backed crypto startup Bastion has appointed a16z and Kraken’s former chief of staff Caroline Friedman as the company’s chief operating officer. Friedman also served as an Assistant United States Attorney for Major Crimes in the United States Attorney's Office. Caroline Friedman, who has served as head of corporate operations since February, will later manage Bastion's compliance, regulatory affairs, people, public policy and finance functions as chief operating officer.