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  2. Authorization hold - Wikipedia

    en.wikipedia.org/wiki/Authorization_hold

    Authorization hold (also card authorization, preauthorization, or preauth) is a service offered by credit and debit card providers whereby the provider puts a hold of the amount approved by the cardholder, reducing the balance of available funds until the merchant clears the transaction (also called settlement), after the transaction is completed or aborted, or because the hold expires.

  3. ISO/IEC 7813 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7813

    ISO 7813 specifies the following structure for track 2 data: [2] SS : Start sentinel ";" PAN : Primary Account Number, up to 19 digits, as defined in ISO/IEC 7812-1; FS : Field separator "=" ED : Expiration date, YYMM or "=" if not present; SC : Service code, 3 digits or "=" if not present; DD : Discretionary data, balance of available digits

  4. ABA routing transit number - Wikipedia

    en.wikipedia.org/wiki/ABA_routing_transit_number

    ABA routing transit number. In the United States, an ABA routing transit number ( ABA RTN) is a nine-digit code printed on the bottom of checks to identify the financial institution on which it was drawn. The American Bankers Association (ABA) developed the system in 1910 [1] to facilitate the sorting, bundling, and delivering of paper checks ...

  5. Credit card fraud - Wikipedia

    en.wikipedia.org/wiki/Credit_card_fraud

    A fake automated teller slot used for "skimming". Credit card fraud is an inclusive term for fraud committed using a payment card, such as a credit card or debit card. [ 1] The purpose may be to obtain goods or services or to make payment to another account, which is controlled by a criminal. The Payment Card Industry Data Security Standard ...

  6. ISO 3166-1 alpha-2 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_alpha-2

    ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [1] published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest. They are the most widely used of the country codes published by ISO (the ...

  7. Bank issues warning to never share verification codes - AOL

    www.aol.com/bank-issues-warning-never-share...

    Scammers might ask for a verification code, or an OTP (one time password) code — in which case they have likely obtained bank login information from the dark web or other means, and just need ...

  8. BAI (file format) - Wikipedia

    en.wikipedia.org/wiki/BAI_(file_format)

    BAI, or the BAI file format, is a file format for performing electronic cash management balance reporting. The BAI format was developed and previously maintained by the Bank Administration Institute (BAI). [1] One common application of the BAI format is for use by banks to transmit returned item data to customers (for example, checks which have ...

  9. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    See the ISO 3166-3 standard for former country codes. British Virgin Islands – See Virgin Islands (British) . Burma – See Myanmar . Cape Verde – See Cabo Verde . Caribbean Netherlands – See Bonaire, Sint Eustatius and Saba . China, The Republic of – See Taiwan (Province of China) . Democratic People's Republic of Korea – See Korea ...