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It's very recent, wich is the point of my post, we lost so much time with meaningless things

Contactless payments was already adopted in Canada for several years by 2010 [1]. It’s not recent. Not sure why US is slow in this adoption though

[1] See first two sentences here:

https://www.cbc.ca/news/science/new-credit-cards-pose-securi...

Come on, it was just for a very small minority, and you couldn't do it for every payments, most businesses refused for small payments because of the fees, "CC only after X dollar" kind of rules

And you still can't use your phone, a joke this system is

> It's very recent, wich is the point of my post, we lost so much time with meaningless things

But again, outside of the US it isn't. Contactless payments have been common in Europe and had widespread usage for a decade. Chinese and European adoption was pretty similar.

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