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2. RFID skimming - Wikipedia

   en.wikipedia.org/wiki/RFID_skimming

   Most modern mobile telephones running Android OS have a built in NFC reader that can be used to unlawfully scan contactless payment cards. A criminal can hide the scanner e.g. inside a glove or a bag, and then place it close to the victim and wirelessly steal the victim's payment card information. [2]

3. Card reader - Wikipedia

   en.wikipedia.org/wiki/Card_reader

   A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...

4. Mobile RFID - Wikipedia

   en.wikipedia.org/wiki/Mobile_RFID

   Unlike ordinary fixed RFID, mobile RFID readers are mobile, and the tags fixed, instead of the other way around. The advantages of M-RFID over RFID include the absence of wires to fixed readers and the ability of a small number of mobile readers can cover a large area, instead of dozens of fixed readers. [3]

5. How to make payments with your phone - AOL

   www.aol.com/finance/payments-phone-164336000.html

   To make Google Pay payments from your phone, simply unlock your phone and hold it over the contactless credit card reader. If a blue checkmark appears, your payment is complete.

6. Contactless payment - Wikipedia

   en.wikipedia.org/wiki/Contactless_payment

   EMV contactless symbol used on compatible payment terminals. EMV stands for "Europay, Mastercard, and Visa", the three companies that created the standard.Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for ...

7. Near-field communication - Wikipedia

   en.wikipedia.org/wiki/Near-field_communication

   HCE allows any Android 4.4 app to emulate an NFC smart card, letting users initiate transactions with their device. Apps can use a new Reader Mode to act as readers for HCE cards and other NFC-based transactions. On September 9, 2014, Apple announced support for NFC-powered transactions as part of Apple Pay. [79]

8. Crappy in-display fingerprint readers are ruining new phones

   www.aol.com/news/crappy-display-fingerprint...

   In-display fingerprint readers -- biometric sensors embedded within the screens of many new phones -- are garbage. ... It was really fun to use phones like the Vivo Nex S and Oppo Find X, with its ...

9. MIFARE - Wikipedia

   en.wikipedia.org/wiki/MIFARE

   This makes it possible to use the same card with both readers that can read MIFARE Classic products (with sectors protected by 48-bit CRYPTO1 keys, "Security Level 1") and readers that can read MIFARE Plus products (with sectors protected by 128-bit AES keys, "Security Level 3"). This feature is intended to make it easier to gradually migrate ...