Crypto BlockingCrypto Blocking is one of the security settings in the webpolls used to prevent cheating. When Crypto Blocking is enabled a unique cryptographic key is generated when the user votes. Before the vote is counted a second request must complete using the same key.
This option can be used to prevent automated and scripted voting by bots and auto-voters. Captcha is generally more effective, but this option does not generate a confirmation page before showing the results.
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