Once your payment has gone through successfully, you'll see 'Done' and a tick on the screen to confirm the transaction has ...

Finally. The technology works on Barclays and Barclaycard accounts, letting customers pay using their iPhone, Apple Watch or - if you must - iPad at over 400,000 contactless points across the UK.

On Thursday, the CFPB issued a final rule that will regulate digital payment apps that process over 50 million transactions each year, covering services like Apple Pay, Google Wallet, PayPal, Cash ...