Coming To Your Neighborhood Soon
(files.catbox.moe)
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some uses RFID scanner to steal your amazon ID, walks in and fills their pockets, backpack, etc. (these don't necessarily only steal RFID chip signals, but radio frequency scanners like this have been used to clone remote vehicle entry and mimic the radio frequency signals sent by cell phone apps)
There are some nice cryptographic protection mechanisms. I'd worry way more about thugs stealing your phone from you than stealing your signals.
oh I'm not worrying, I'm just sharing information.
but what do you mean by cryptographic protection mechanisms? so if someone literally records the radio activity given off by your phone which the machine reads.. you're saying by some sort of black box magic that the machine reading the signal will know the difference between your phone broadcasting the same exact signal as another device doing so? And the threat of the signal being stolen and spoofed for use is more of a threat because you are not immediately aware of it.
I mean your device/card isn't just broadcasting your account number and that anyone that records it can rebroadcast it to buy anything they want anywhere. What your device is broadcasting is a unique, encrypted, token generated specifically for that transaction. Capturing and replaying it will accomplish nothing.
You'd have a lot more work to use that data for fraud purposes.