Fully offline is of course impossible. But it can be partially offline. Blockchain, for instance, doesn’t require an internet connection to prove that a transaction is possible, but it does need an internet connection to submit and settle. So you would not need an internet connection to pay, the merchant does to accept payment. Similarly to how this works today with card payments.
Fully offline is of course impossible. But it can be partially offline. Blockchain, for instance, doesn’t require an internet connection to prove that a transaction is possible, but it does need an internet connection to submit and settle. So you would not need an internet connection to pay, the merchant does to accept payment. Similarly to how this works today with card payments.