Hashcash
by pkaroukin · Security
Integrates Hashcash.IO proof-of-work widget with login/registration/comment forms.
47 health vs 64 average across 997 Security plugins
High removal-risk signals
63/100Maintenance and integrity signals that tend to precede a WordPress.org removal. Not an official status, a heads-up to act.
- Long abandoned. No update in 8+ years — the top precursor to removal once a vulnerability is found.
- Compatibility drift. Tested only up to WordPress 4.9.31, well behind 6.8.
Directory ranking optimization
How it's scored →How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.
Under-optimized
Biggest win: Update recency
To rank higher: Last updated 3152 days ago — ship an update; wp.org decays a listing's search weight after ~180 days.
Get the full rank-higher report →Daily downloads
Since 2022-10-06 · 1,425 days · wp.org + Plugin Pulse archive
30-day downloads
Rolling 30-day volume · peaks are release surges
60
now · peak 141
Directory rank vs rivals
wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you
Update activity
How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.
What its installed base runs
via wordpress.orgShare of active installs on each version of this plugin · 100% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.
Estimated active installs
The public count shows “20+”. Our estimate pins where the real number sits.
Refined from the date this plugin crossed into its current band.
Install history · since 2015-03-10 · 1,386 observations
Estimated value
What this plugin might earn a year, and what it might sell for. Modeled from public signals; we don't see anyone's books.
Est. annual revenue
Est. acquisition value
No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from.
Details
Behavioral tests
via WP HiveAutomated install-time checks, tested on PHP 7.2.16 · WP 5.3.2
Growth timeline
Install-tier crossings we have observed, and how long each tier took to outgrow
- 2024-04-01 30+ → 20+ down after 43 days in tier
- 2024-02-18 20+ → 30+ up after 123 days in tier
- 2023-10-18 30+ → 20+ down after 84 days in tier
- 2023-07-26 20+ → 30+ up after 5 days in tier
- 2023-07-21 30+ → 20+ down after 40 days in tier
- 2023-06-11 40+ → 30+ down after 18 days in tier
- 2023-05-24 30+ → 40+ up
Competes with
The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).
-
Sucuri Security – Auditing, Malware Scanner and Security Hardening 600K+ installs · 4.2★ · 2 shared tags A -
Stop Spammers Classic 30K+ installs · 4.4★ · 2 shared tags A -
Zero Spam for WordPress 20K+ installs · 4.1★ · 2 shared tags B -
Simple Login Captcha 10K+ installs · 3.9★ · 2 shared tags B - E Exploit Scanner 8K+ installs · 3.4★ · 2 shared tags F
-
Dam Spam 2K+ installs · 4.0★ · 2 shared tags B
Embed this report card
Drop a live Pulse card for Hashcash into a readme, a review or a deck. It updates itself.
<iframe src="https://plugins.wpmayor.com/embed/hashcash" width="480" height="300" style="border:0" loading="lazy" title="Hashcash — Plugin Pulse"></iframe> Hashcash: 20+ active installs, 5.0★ (5 reviews). Plugin Pulse (WP Mayor), as of 2026-08-31. https://plugins.wpmayor.com/plugin/hashcash