The bank issues the card and the store gets paid — but the network in between is almost always Visa or Mastercard. And they take a small fee on every transaction.
CHAPTER 1
Every card payment has four players: the customer, the bank that issued the card, the store — and the network that moves the data and the money between them.
CHAPTER 2
Banks and stores have little choice: a card that doesn't run on Visa or Mastercard is accepted almost nowhere. That's their power.
CHAPTER 3
A sole supplier means there's nowhere else to buy. This is how one failure rolls down the chain:
CHAPTER 4
Visa and Mastercard run the world's largest credit and debit card networks outside China.
They don't lend money — the risk that a customer won't pay is carried by the banks that issue the cards.
American Express is both a network and an issuer, so it carries the credit risk itself.
🔬 Semiconductors
Every AI chip in the world passes through two companies
⚡ Power for AI
AI's next bottleneck: electricity
✈️ Aviation
The world's best-selling jets fly on a single engine option
🛡️ Airport security
Who guards the airports — and gains from every threat
🔋 EV batteries
Tesla spread its risk. GM and Ford didn't
💊 Weight-loss drugs
Two companies dominate the weight-loss drug market
Built from widely reported public facts (company filings, the EIA, company statements). Effects marked 'may' or 'could' are reasoned expectations, not recorded events. Not investment advice.
