Bilbao Metro Barik card on ring or implantable?

that’s because this is a secure chip and the app is setting up a secure channel and interrogating the application memory, while taginfo is simply identifying the chip but not accessing the memory or doing anything with security (it doesn’t have the cryptographic keys to do this).

possibly… it might be possible to put this onto a special new antenna for a flex implant. the conversion service is what you’d need to order if you wanted to try it.

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