The department store that has crypto as prices will be in a world that has AR (Augmented Reality). Customers are naturally expected to have a smartphone on them, so all the store has to do is print labels with a QR code and the crypto price. If they need translation, they bring out their phone — and no, it’s not what you think. They don’t take a QR snapshot and wait for a price. They just open their pricing app and it uses the camera and superimposes live price conversions in whatever alternative currency the store accepts. The store could provide the app with specials and coupons as a loyalty thing and pop ups when they turn certain aisles.