How To Use WordPress Nonce 

WordPress nonces add a layer of security to your forms and actions on your WordPress site.
Nonces add a layer of security by preventing a cross site forgery request (CSRF).
Learn how to use nonce's to prevent unauthorized actions on your site.
WordPress nonce's aren't truly a nonce (number used once), as they can be valid for up to 12 hours. But, the system still works and has the same effect to prevent CSRF.
There are two functions you'll need to be aware of for implementing nonce's in WordPress:
wp_nonce_field() and wp_verify_nonce().
In this demo I create a sample form, add the nonce field to the form, and verify the nonce upon posting.
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