Yeah it would work on a phone. It doesn't matter whether the chip is placed in a credit card, a phone, or a football. If it's speaking the protocol, it's going to work.
OK - wait a minute.
In the case of a credit card, NFC is literally hardwired one way.
In the case of the phone, NFC is a coil, a little silicon for RF, and software.
If the NFC software is off, there's no way to magically pick up credit card info.
Unless you're saying that the implementation will be to have NFC always live, and if an NFC field is detected by phone, phone arbitrates and says, "Hmmm - are you one of those flyers Google put up all around SF to advertise this business? Oh, ok, you're not - you want my credit card info - hey, np, here it is!"
Now - I know that software CAN be written that way - but I'll be a monkey's uncle IF it's written that way.
Yes - Ok. I'm not sure that it isn't dangerous to carry that analogy too far, tho.NFC can be compared to Bluetooth in many ways: small connection range, low power, one or two way communication. But pairing is much quicker with NFC by design.


