Marietje Schaake, International Policy Director at Stanford's Cyber Policy Center, Eurasia Group senior advisor and former MEP, discusses trends in big tech, privacy protection and cyberspace:

What is Coinbase and why is it such a big deal that it's going public?

Now, Coinbase runs the US's largest cryptocurrency exchange and holds tens of billions of dollars' worth of bitcoins. When it went public on Wednesday, it was the first major cryptocurrency company to do so.