I wanted to understand Payments better ... and learned about HAR files.

I started following up on my challenge of learning more about how payments in Web2 work: I set up my account, my sandbox, and a simple checkout flow. I went through the flow once, and it worked. What pulled me to this project was a desire to learn more about payments, since they are everywhere — but I also wanted to know which data was transmitted where and what implications this had for privacy. I started looking at the requests in this flow: 521 requests visible in the network tab of the devel