Title: HashCash &#8211; Proof of Work CAPTCHA
Author: RicheyWeb
Published: <strong>June 15, 2026</strong>
Last modified: June 15, 2026

---

Search plugins

![](https://s.w.org/plugins/geopattern-icon/captcha-hashcash.svg)

# 󠀁[HashCash – Proof of Work CAPTCHA](https://wordpress.org/plugins/captcha-hashcash/)󠁿

 By [RicheyWeb](https://profiles.wordpress.org/richeyweb/)

[Download](https://downloads.wordpress.org/plugin/captcha-hashcash.1.0.10.zip)

 * [Details](https://wordpress.org/plugins/captcha-hashcash/#description)
 * [Reviews](https://wordpress.org/plugins/captcha-hashcash/#reviews)
 *  [Installation](https://wordpress.org/plugins/captcha-hashcash/#installation)
 * [Development](https://wordpress.org/plugins/captcha-hashcash/#developers)
 * [Advanced View](https://wordpress.org/plugins/captcha-hashcash/advanced/)

 [Support](https://wordpress.org/support/plugin/captcha-hashcash/)

## Statistics

#### Active versions

#### Downloads Per Day

#### Downloads history

---

## Advanced Options

This section is intended for advanced users and developers only. They are presented
here for testing and educational purposes.

#### Previous Versions

Previous versions of plugins may not be secure or stable. They are not recommended
for use on production websites.

Please select a specific version to download.

 [Download](https://downloads.wordpress.org/plugin/captcha-hashcash.zip)

## Meta

 *  Version **1.0.10**
 *  Last updated **3 days ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 6.0 or higher **
 *  Tested up to **7.0**
 *  PHP version ** 7.4 or higher **
 * Tags
 * [anti-spam](https://wordpress.org/plugins/tags/anti-spam/)[antispam](https://wordpress.org/plugins/tags/antispam/)
   [captcha](https://wordpress.org/plugins/tags/captcha/)[contact form 7](https://wordpress.org/plugins/tags/contact-form-7/)
   [Proof of Work](https://wordpress.org/plugins/tags/proof-of-work/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/captcha-hashcash/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/captcha-hashcash/reviews/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/captcha-hashcash/)

## Donate

Would you like to support the advancement of this plugin?

 [ Donate to this plugin ](https://www.paypal.com/donate/?hosted_button_id=BTL9WZ8NU56RC)

## Contributors

 *   [ RicheyWeb ](https://profiles.wordpress.org/richeyweb/)