Turing Number

Abbreviated as TN, turning number is a randomly generated security code, usually a series of digits, displayed as an image that users may need to read and copy into a form field in order to submit or validate a form submission online via a Web browser. Turing numbers are used to ensure there is a human user instead of automated (bot) submissions. Turing numbers are commonly used on e-commerce Web sites or promotional or contest Web sites —anywhere there is a need to avoid automated submissions by bots.

2 thoughts on “Turing Number

  • 3 February 2009 at 21:29

    Hey, Admin.
    Can I use a photo from your site?
    Of course, i will place a backlink to source.
    Yours Eremeeff

  • 4 February 2009 at 12:10

    ok please, no problem

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