What is a Captcha?
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You can add a CAPTCHA to your website, free of charge, by signing up for the source code at the official CAPTCHA website, www.recaptcha.net. reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows.
www.captcha.net
www.recaptcha.net
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
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A CAPTCHA, or Completely Automated Public Turing-test to tell Computers and Humans Apart, is used to keep bots and other automated programs from signing up for offers, collecting or signing up for email addresses, violating privacy, trying to crack passwords, or sending out spam to unsuspecting email recipients. A CAPTCHA works by issuing a challenge to the person or entity attempting to gain access.
A CAPTCHA challenge is usually a simple visual test or puzzle that a sighted human can complete without much difficulty, but that an automated program cannot understand. The test usually consists of letters, numbers or other images that overlap or intersect. The images are distorted in some way or shown against an intricate background to keep them from being easily read by another computer.
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Please read further through the source website.
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
Happy New Year!!!
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"CAPTCHA stands for "Completely Automated Turing Test To Tell Computers and Humans Apart"
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You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
