Originally Posted by
WhatWhatTech
Though these offline systems could be integrated easily with existing NFC smartphones (though only with android smartphones on android 4.4).
OTOH, that is also reliant whether they'll be wireless reception coverage underground as well. And there's also the issue that a smartphone becomes a brick when the battery dies out.
I imagine that in the future, offline systems will eventually will have to become upgraded to online systems, especially if open payment systems via contactless debit and credit cards are to become the defacto standard for mass transit.
Then again, the US may end up taking the wrong approach again while the rest of the world aligns themselves to a single global standard.
