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  2. Cleaning card - Wikipedia

    en.wikipedia.org/wiki/Cleaning_card

    Chip Cards are also known as Smart Cards and EMV Cards. There are two different types of EMV card readers - friction and landing. Contaminated contacts can result in rejection of the inserted payment or authorization card; the built up minerals can damage electronics. [1] The cleaning card with ensures optimal cleaning of chip reading contacts.

  3. Clover Network - Wikipedia

    en.wikipedia.org/wiki/Clover_Network

    Clover is a cloud-based Android point of sale platform that was launched in April 2012.The company is headquartered in Sunnyvale, California, United States.As of the quarter ended September 2020, Clover processed $133 billion of annualized card transactions worldwide, making it the largest U.S. cloud POS firm.

  4. 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.

  5. How to clean your credit cards - AOL

    www.aol.com/finance/clean-credit-cards-190158535...

    Carefully clean all of the card’s crevices, including the chip. The chips seen on credit cards are water-resistant, so as long as you clean the chip’s surface carefully, you shouldn’t damage it.

  6. EMV - Wikipedia

    en.wikipedia.org/wiki/EMV

    If an EMV reader is compromised to the extent that the conversation between the card and the terminal is intercepted, then the attacker may be able to recover both the track-two data and the PIN, allowing construction of a magnetic stripe card, which, while not usable in a Chip and PIN terminal, can be used, for example, in terminal devices ...

  7. 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 ...