Now I see why they hired former paypal guys, David Marcus [1] and Stan Chudnovsky [2]

Although I'm sure the team had been working on it for a while (given these were relatively new hires), bringing in the paypal executives helps them have a smoother launch and scale process.

1: https://www.linkedin.com/in/dmarcus

2: https://www.linkedin.com/in/stanchudnovsky