Payments

Payments are fascinating. The idea that so many different players are involved just to make a single purchase, like me buying a coffee at Starbucks.

Over the past few weeks, I’ve been diving into this world and realized how wide and deep it really is. There’s always more to uncover. I’ll jot down what I’m learning along the way.

It reminds me of a line from The Big Short:

“They use acronyms because they don’t want you to understand what they’re doing.”

To work in fintech, learning about payment matters..... it’s not just about writing code. It’s about understanding how money actually moves.

What I’ll cover in upcoming posts:

• The Four-Party Model
• Push vs. Pull Payments
• Life of a Card Transaction
• Pricing & Economics
• Bank Payment Rails