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Comment on Eavesdropping on a wireless keyboard (2013)

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This is why Apple's iBeacon was never going to be a viable method of payment, unlike NFC. The range on Bluetooth is just too long to safely do something like payments with it.

The range of Internet is incomparably greater, but we still somehow manage to perform payments over that in a reasonably secure manner.

We just have to establish the secure channel and securely authenticate peers to each other. The medium over which this is made is mostly irrelevant.

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