user registeration form without captcha?
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by terrani
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Published on 2010-05-09T11:39:56Z
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2010/05/09
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Hi,
I was trying to sign-up Twitter today and I noticed that their registration form does not have a captcha. The form URL is https://twitter.com/signup. I also noticed that they used an input like below.
<input name="authenticity_token" type="hidden" value="ce803cee65a96aaa97bdf75da166599c3adc9ec8" />
what kind of method is this?
Do they create a temp value in their database when a user access the registration form? and check it when a user submit the form?
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