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A comment on Card.io - fast and easy mobile credit card scanning. Parent comment

Re:Card.io - fast and easy mobile credit card scanning by salman89 on Thursday June 23, 2011 @04:22PM (#2689704)
On the other hand, Square requires a merchant to have particular hardware to receive payments (swiper), this method does not. Good point on the CNP vs CP though, I never knew about that.
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