The MiFare Desfire EV1 CSN is 56-bits. LF: HID Proximity, EM chip, TK4100, HID ProxCard, AWID, RBH, Kantech, Keyscan, AMAG, Farpointe etc; HF: Mifare classic 1k S50 , Mifare 4k S70, NTAG213, NTAG216, Ultralight EV1, Ultralight C. Is this a real problem in reality? There'll be CCTV cameras as well, but only on the inside of the entrances.
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