Stealth bitcoin startup 21 Inc, formerly 21e6, has announced new information about its funding history, staff members and investors, revealing it has raised $116m in fundraising over multiple rounds. In a new interview with the Wall Street Journal , 21 CEO Matthew Pauker indicated that Andreessen Horowitz, Data Collective, Khosla Ventures, RRE Ventures and Yuan Capital are among the firms that have participated in the company's funding rounds.