What's also impressive is the choice of project: pg has written about this (think he calls it the schelp filter or something). Payments is one of the most diffi

What's also impressive is the choice of project: pg has written about this (think he calls it the schelp filter or something). Payments is one of the most difficult, red-tape entangled, regulation-choked domains to start a company in. Not to mention the extreme security requirements and general unsexiness of it all. Think they've managed to do an awesome through all the hurdles - if I ever decide to follow their example and start a payments company in India it will simply be "Stripe-API compliant". That's pretty much all the marketing / features it will need.