WatchAuth: User Authentication and Intent Recognition in Mobile Payments using a Smartwatch. (arXiv:2202.01736v1 [cs.CR])

In this paper, we show that the tap gesture, performed when a user 'taps' a
smartwatch onto an NFC-enabled terminal to make a payment, is a biometric
capable of implicitly authenticating the user and simultaneously recognising
intent-to-pay. The proposed system can be deployed purely in software on the
watch without requiring updates to payment terminals. It is agnostic to
terminal type and position and the intent recognition portion does not require
any training data from the user. To validate the …

authentication mobile payments recognition smartwatch