I just spent 3 months in London, and it's crazy how Monzo seems to have taken the market. Almost everybody seems to be paying with a Monzo card, regardless of age. Asking around, I consistently heard that Monzo's competitors like Revolut are going to be a future case study in scaling before great product/market fit. I don't know how many people have Revolut accounts, but nobody seems to be using their cards in public…
In America, I don't think contactless matters that much currently. It's really a crap shoot if any specific retailer supports contactless, no major metro system that I know of support direct debit / credit contactless cards and no major bank or credit card company issues contactless cards. If you want to use contactless in america, you add the card to apple / google / samsung pay and use your phone for NFC payments.…
Citibank's Costco Visa card is contactless