Basically the 'card' is in your phone, which has a battery and a CPU, so it can ... | Hacker News

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		oconnore on Nov 16, 2011 \| parent \| context \| favorite \| on: 2012 Will Be The Year NFC Breaks Big--Just Not In ... Basically the 'card' is in your phone, which has a battery and a CPU, so it can secure the communication of your identity which is tied to your bank information. The radio frequency is identical.

icebraining on Nov 16, 2011 [–]

Yeah, but in the article they talk about the Octopus, which is a real card instead of a phone, as an NFC device.

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