Title: Search Results for “captcha-hashcash” | WordPress.org

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4 plugins

 * [All](https://wordpress.org/plugins/search/captcha-hashcash/)
 * [Community](https://wordpress.org/plugins/search/captcha-hashcash/?plugin_business_model=community)
 * [Commercial](https://wordpress.org/plugins/search/captcha-hashcash/?plugin_business_model=commercial)

# Search results for: “captcha-hashcash”

 * ![](https://ps.w.org/spam-destroyer/assets/icon-128x128.png?rev=1050320)
 * 
   ### 󠀁[Spam Destroyer](https://wordpress.org/plugins/spam-destroyer/)󠁿
   
 * (53 total ratings)
 * Kills spam dead in it's tracks. Be gone evil demon spam!
 *    Ryan Hellyer    6,000+ active installations    Tested with 7.0
 * ![](https://s.w.org/plugins/geopattern-icon/hashcash.svg)
 * 
   ### 󠀁[Hashcash](https://wordpress.org/plugins/hashcash/)󠁿
   
 * (5 total ratings)
 * Integrates Hashcash.IO proof-of-work widget with login/registration/comment forms.
 *    pkaroukin    20+ active installations    Tested with 4.9.29
 * ![](https://s.w.org/plugins/geopattern-icon/question-antispam-for-comment-and-
   signup.svg)
 * 
   ### 󠀁[Question Antispam for Comment and Signup](https://wordpress.org/plugins/question-antispam-for-comment-and-signup/)󠁿
   
 * (0 total ratings)
 * antispam question for signup and comment forms of wordpress, set by admin, supports
   Multisite mode
 *    Dinar Qurbanov    10+ active installations    Tested with 5.1.22
 * ![](https://s.w.org/plugins/geopattern-icon/hashcash-for-contact-form-7.svg)
 * 
   ### 󠀁[Hashcash for Contact Form 7](https://wordpress.org/plugins/hashcash-for-contact-form-7/)󠁿
   
 * (3 total ratings)
 * Add Hashcash spam protection to Contact Form 7.
 *    Abdussamad Abdurrazzaq    30+ active installations    Tested with 3.7.41