"Moreover, this technology transmitting data through sounds also means that it does not require the devices to be connected to the internet, potentially making this more secure."
NFC uses electromagnetic waves instead of 'mechanical' sound waves. Neither has anything to do with being connected to the internet.
Spot on, it's just data transmission - a different implementation of the "physical layer" in the OSI model. In an ideal world this would have nothing to do with a payment method (well in fact the author says as much), it would just be a matter of swapping the "transport layer" by loading a different 'driver' so to speak.
It sounds like a nice new gimmick, but yeah that's about it.
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"Moreover, this technology transmitting data through sounds also means that it does not require the devices to be connected to the internet, potentially making this more secure."
NFC uses electromagnetic waves instead of 'mechanical' sound waves. Neither has anything to do with being connected to the internet.
Spot on, it's just data transmission - a different implementation of the "physical layer" in the OSI model. In an ideal world this would have nothing to do with a payment method (well in fact the author says as much), it would just be a matter of swapping the "transport layer" by loading a different 'driver' so to speak.
It sounds like a nice new gimmick, but yeah that's about it.