Posted by
nospam@noemail.com (Chris Bailey)
on
Monday, September 06, 2010
As the inaugural post of the NuCaptcha blog I thought I would start with describing, at a high level, the two primary types of Captchas.All Captchas are a form of challenge-response authentication. That is to say, you are asked a question, you respond, and if you’re correct, access is granted. You’re unlocking a password.What makes a Captcha different than a password is the type of question. Fo...
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