Samsung and biometrics extends PayPal's point-of-sale reach

PayPal launches Galaxy S5 fingerprint-based payments in 25 countries (Android Authority)

Customers can use their finger to pay with PayPal from their new Samsung Galaxy S5 because the FIDO Ready software on the device securely communicates between the fingerprint sensor on their device and PayPal’s service in the cloud. The only information the device shares with PayPal is a unique encrypted key that allows PayPal to verify the identity of the customer without having to store any biometric information on PayPal’s servers”