The world of payments is evolving into a more digital and contactless form. Whereas consumers enjoyed the human interaction part of the payment process up until a few years ago, they now want everything to be quick and frictionless. PayPal is trying to establish themselves as a player in this segment by introducing their One Touch payment solution. Unfortunately, this is not an innovative feature per se, although it might make things slightly more convenient.
https://news.bitcoin.com/addressing-pay ... echnology/