1. 

   kuku Specialist

   What's the proper name for the security verification that uses scrambled alphanumeric characters? I saw the name for it a while back but have since forgotten it.
   
   Thanks

    

   kuku, Dec 22, 2007

   #1
2. 

   Cat_w_9_lives Major KittyCat

   Encryption?
   Ciphertext?

    

   Cat_w_9_lives, Dec 23, 2007

   #2
3. 

   Tarquin BA Private First Class

   Catchpa.
   
   A translation for which is "pain in the @rse" for spammers and non spammers.

    

   Tarquin BA, Dec 23, 2007

   #3
4. 

   kuku Specialist

   
   CAPTCHA
   
   
   thanks

    

   kuku, Dec 23, 2007

   #4

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