Matt and Katie talk with their first guest, John Collison, the co-founder and president of Stripe, about the financial services business, why payments are hard, what's good about crypto, why IPOs don't matter and how to fly planes.

Re-run: Midnight Madness: Ryan Patch and Jon Seale
40:45

Trying to Save the World Is No Excuse
38:24

What's the Concern?
40:39