Vlad Tenev, co-CEO of Robinhood isn’t worried about the legacy threat. “These companies aren’t really technology companies or engineering companies,” he said of brokerages like Schwab or Fidelity. Investment app Robinhood, which lets account holders trade securities without a fee, is more than prepared to compete with legacy financial service companies as they lower their trading commissions, said Vlad Tenev, co-CEO of the company at CB Insights’ Future of Fintech conference.