close
    hhow vocher card number are designed and how it became impossible for the user to guess the number?

    michaelswaxy

    0  Views: 808 Answers: 1 Posted: 13 years ago

    1 Answer

    Check this out :http://stackoverflow.com/questions/2086983/algorithm-for-gift-card-codes



    Top contributors in Technology category

     
    ROMOS
    Answers: 12 / Questions: 0
    Karma: 825
     
    Benthere
    Answers: 0 / Questions: 0
    Karma: 555
     
    Colleen
    Answers: 27 / Questions: 0
    Karma: 525
     
    Ducky
    Answers: 4 / Questions: 0
    Karma: 410
    > Top contributors chart

    Unanswered Questions

    go88sacom2
    Answers: 0 Views: 0 Rating: 0
    s8s8
    Answers: 0 Views: 9 Rating: 0
    keonhacai55bett
    Answers: 0 Views: 8 Rating: 0
    s8s8
    Answers: 0 Views: 7 Rating: 0
    s8s8
    Answers: 0 Views: 8 Rating: 0
    s8s8
    Answers: 0 Views: 7 Rating: 0
    TravelTalk Tour Ấn Độ
    Answers: 0 Views: 9 Rating: 0
    conggamego88
    Answers: 0 Views: 8 Rating: 0
    > More questions...
    557990
    questions
    778980
    answers
    918662
    users