What is the challenge token in Cloudflare Turnstile?

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Grade: Education Subject: Support
What is the challenge token in Cloudflare Turnstile?
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The challenge token is a unique, randomly generated string that Cloudflare Turnstile provides to your website. It's embedded in the HTML of your form. When a user attempts to submit the form, Turnstile uses this token to verify that the user is interacting with the page as a human would, rather than a bot. The token is not stored on the user's device.