Humans don't 'need' math-based cryptocurrencies when dealing with other humans. We walk slowly, talk slowly, and buy big things. Credit cards, cash, wires, checks - the world seems fine.

There's so much innovation going on, and there are lots of people funding that innovation, but there's very little innovation on that infrastructure for innovation itself, so we like to do that ourselves to help companies create more tech companies.

We're going to try and prove to the market that you can do a legal coin offering. If the SEC doesn't crack down, this party will be amazing - the biggest party in town for a long time. If they do crack down, a lot of people are going to feel a lot of pain.

Cryptocurrencies will create a fifth protocol layer powering the next generation of the Internet.

Cryptocurrencies are an emergent property of the Internet - almost a fifth protocol in the Internet suite. If Satoshi Nakomoto did not exist, it would still be necessary to invent them.