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  2. Top Credit Card Payment Apps for Entrepreneurs - AOL

    www.aol.com/top-credit-card-payment-apps...

    The software also supports card-not-present (CNP) or manually keyed-in payments. ... Square offers a free magstripe reader or a $59 NFC phone device. The flat, in-person, per-transaction fee is 2. ...

  3. Near-field communication - Wikipedia

    en.wikipedia.org/wiki/Near-field_communication

    NFC card emulation Enables NFC-enabled devices such as smartphones to act like smart cards, allowing users to perform transactions such as payment or ticketing. See Host card emulation NFC reader/writer Enables NFC-enabled devices to read information stored on inexpensive NFC tags embedded in labels or smart posters. NFC peer-to-peer

  4. MIFARE - Wikipedia

    en.wikipedia.org/wiki/MIFARE

    The schematics and software are released under the free GNU General Public License by Jonathan Westhues in 2007. They demonstrate it is even possible to perform card-only attacks using just an ordinary stock-commercial NFC reader in combination with the libnfc library.

  5. Calypso (electronic ticketing system) - Wikipedia

    en.wikipedia.org/wiki/Calypso_(electronic...

    The contactless interface (improperly called RFID) ensuring both remote powering and communication between the reader and the card. A Calypso card, whatever its form (card, watch, mobile phone or other NFC object, etc.) has a microprocessor which contains all the information related to its owner rights for the application, and which implements ...

  6. Host card emulation - Wikipedia

    en.wikipedia.org/wiki/Host_card_emulation

    Host card emulation (HCE) is the software architecture that provides exact virtual representation of various electronic identity (access, transit and banking) cards using only software. Prior to the HCE architecture, near field communication (NFC) transactions were mainly carried out using hardware-based secure elements .

  7. Payment terminal - Wikipedia

    en.wikipedia.org/wiki/Payment_terminal

    PAX Technology S90 credit card terminal with a Visa card inserted.. A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1]), is a device which interfaces with payment cards to make electronic funds transfers.

  8. OpenPGP card - Wikipedia

    en.wikipedia.org/wiki/OpenPGP_card

    The original OpenPGP card was built on BasicCard, and remains available at retail. Several mutually compatible JavaCard implementations of the OpenPGP Card's interface protocol are available as open source software and can be installed on generic JavaCard smart cards, including NFC-enabled cards. [4]

  9. Proxmark3 - Wikipedia

    en.wikipedia.org/wiki/Proxmark3

    Proxmark3 is a multi-purpose hardware tool for radio-frequency identification (RFID) security analysis, research and development. It supports both high frequency (13.56 MHz) and low frequency (125/134 kHz) proximity cards and allows users to read, emulate, fuzz, and brute force the majority of RFID protocols.