Robinhood CEO Vlad Tenev on the free-trading app going public

Robinhood co-founder and CEO Vlad Tenev joins CNBC's "Squawk on the Street" to discuss the company's upcoming IPO at the Nasdaq. Tenev also discusses the role of 'payment for order flow' in the company's business model, and growing investor interest in cryptocurrencies.
Thu, Jul 29 202110:32 AM EDT