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  2. Check verification service - Wikipedia

    en.wikipedia.org/wiki/Check_verification_service

    Account status verification systems give you the status of the account as of the beginning of the business banking day. They tell you if there is an open active account at that bank and if the check is likely to clear. Status messages such as closed account, NSF, stop payment or invalid account can help determine if a check or ACH transaction ...

  3. Verification and validation - Wikipedia

    en.wikipedia.org/wiki/Verification_and_validation

    Verification is intended to check that a product, service, or system meets a set of design specifications. [6] [7] In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service, or system, then performing a review or analysis of the modeling results. In ...

  4. IBM document processors - Wikipedia

    en.wikipedia.org/wiki/IBM_Document_Processors

    IBM and document processing. Prior to the introduction of computers, cheque processing was performed manually by each institution. IBM recognised the opportunity to automate this processing and began a long period of building machines for this purpose, a period that started when IBM announced the IBM 801 Bank Proof machine in 1934. [1]

  5. ChexSystems - Wikipedia

    en.wikipedia.org/wiki/ChexSystems

    Woodbury, Minnesota. , United States. Parent. FIS. Website. chexsystems.com. ChexSystems is an American check verification service and consumer reporting agency owned by the eFunds subsidiary of Fidelity National Information Services. It provides information about the use of deposit accounts by consumers.

  6. Formal verification - Wikipedia

    en.wikipedia.org/wiki/Formal_verification

    Formal verification is a key incentive for formal specification of systems, and is at the core of formal methods. It represents an important dimension of analysis and verification in electronic design automation and is one approach to software verification. The use of formal verification enables the highest Evaluation Assurance Level (EAL7) in ...

  7. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [1]

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