Titans in finance and technology spoke out about their concerns with Bitcoin this week, and crypto investor Tyler Winklevoss is pushing back. Fortune Senior Writer Jen Wieczner explains the tension between financial leaders on the cryptocurrency market. Plus, Wieczner weighs in on Robinhood's new funding round. The gender gap among investors, founders, and employees in the cryptocurrency market is staggering. Quartz Reporter Karen Hao spent months talking to women in this industry and explains what she learned about the space. Facebook is creating a new group dedicated to Blockchain technology.