In the UK the merchant is not permitted to touch the customers card; all the card readers face the customer and are used by the customer (restaurants all have m

In the UK the merchant is not permitted to touch the customers card; all the card readers face the customer and are used by the customer (restaurants all have mobile PIN entry devices). Now each credit card in the UK is has a chip (which uses end-to-end crypto), they're looking to phase out magstripes completely. Currently if the merchant has to fallback to using the magstripe then he'll have considerably less protection against customer fraud, and he'll pay a much higher transaction fee. Square would not be permitted to operate in the UK.