That is because American sanctions prohibit Amex Discover Mastercard and Visa from operating there
There’s a N korea thread?
Where next? Monzo on Jupiter? Monzo in the 15th Century??!
Monzo in British Antarctic Territories
Somewhat more relevant than North Korea – there is at least one ATM on Antarctica, which accepts Mastercard.
I want to be first Monzo customer to have their photo taken with their card on the International Space Station - anyone want to pay for my flight up there?
I think I’ve got a few pence left in my pocket, would that be enough?
I vote for Monzo on Gallifrey.