Hashcash
Integrates Hashcash.IO proof-of-work widget with login/registration/comment forms.
5(5 reviews)
·20 active installs·Updated 8 years agoAs of April 2026, Hashcash is a WordPress spam plugin with 20 active installations and a 5/5 rating from 5 reviews. It has been downloaded 5.4K+ times in total. Requires WordPress 3.0.0+ and PHP false+. Available on WordPress.org since 2014. Last updated 8 years ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
5/55 reviews
20active installs
5.4K+total downloads
12 yearssince 2014
Overview
This plugin will integrate jQuery plugin Hashcash.IO (https://github.com/hashcash/jquery.hashcash.io) to be used in combination with https://hashcash.io/ service.
Active development happens in GitHub repository – https://github.com/hashcash/wordpress-hashcash
Please report all issues at https://github.com/hashcash/wordpress-hashcash/issues
Because of the way plugins work, problem might arrise from specific combination of WP version, plugins, themes.
Therefore for the best result everytime you submit a bug report or just seeking an advice please include following:
- Version of WordPress you are using
- Brand and version of Browser you are using to test it
- List of third-party plugins and their versions activated on your website
- What theme and version you are using
Protect Against Web Sp…
Screenshots
Ratings & Reviews
55 reviews
5 ★
5
4 ★
0
3 ★
0
2 ★
0
1 ★
0
Compatibility
| WordPress | 3.0.0+ requiredTested up to 4.9.29 |
| PHP | false+ required |
Top Alternatives to Hashcash
Frequently Asked Questions
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.