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HashCash – Proof of Work CAPTCHA

v1.0.10

by RicheyWeb · updated 4 months ago

Invisible Proof-of-Work CAPTCHA. No checkboxes, no image grids, no Google, no tracking. Just spam protection that gets out of the way.

anti-spamantispamcaptchacontact form 7Proof of Work
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#67,957
No change yet
Active installs (est.)
≈ 3
Fewer than 10 reported · High
Total downloads
289
289 all-time
Rating
–
0 reviews
Support resolved
–
0 of 0 threads, last 2 months

HashCash at a glance

HashCash is a WordPress plugin by RicheyWeb with fewer than 10 active installs, the #67,957 most popular plugin on WordPress.org. It has no reviews yet. Version 1.0.10 came out on Jun 15, 2026 and is tested up to WordPress 7.0.8. Among the 7 plugins tagged “Proof of Work”, it ranks #6. It was first released in 2026.

Chart time range

Applies to every chart below. History from Oct 27, 2026, 14 days.

Downloads over time

Download stats

22 downloads · the last 30 days

Downloads over time
HashCash Compare series
Downloads over time: 14 days across 1 series.0510Oct 28Oct 30Nov 1Nov 4Nov 6Nov 8Nov 10Oct 29, 2026: Tested up to 7.0.8
View as table
DateHashCash
Nov 10, 20260
Nov 9, 202611
Nov 8, 20260
Nov 7, 20260
Nov 6, 20260
Nov 5, 20260
Nov 4, 20260
Nov 3, 20260
Nov 2, 202611
Nov 1, 20260
Oct 31, 20260
Oct 30, 20260
Oct 29, 20260
Oct 28, 20260

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 3 · -50.0% in the last 30 days

Estimated installs
Estimated installs: 11 days across 1 series.3456Oct 30Nov 1Nov 3Nov 7Nov 10
View as table
DateEstimated installs
Nov 10, 20263
Nov 9, 20263
Nov 8, 20263
Nov 7, 20263
Nov 5, 20265
Nov 4, 20265
Nov 3, 20265
Nov 2, 20265
Nov 1, 20265
Oct 31, 20264
Oct 30, 20266

Rank over time

#67,957 · down 14,730 in the last 30 days

Popular rank
Popular rank: 4 days across 1 series.#55K#60K#65KOct 30Nov 1Nov 6
View as table
DateDaily snapshot
Nov 6, 2026#67,957
Nov 1, 2026#60,076
Oct 31, 2026#65,417
Oct 30, 2026#53,227

Growth %

Average -6.11% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 10 days across 1 series.-20%0%20%Oct 31Nov 2Nov 5Nov 7Nov 10
View as table
DateGrowth
Nov 10, 20260.00%
Nov 9, 20260.00%
Nov 8, 20260.00%
Nov 7, 2026-20.00%
Nov 5, 20260.00%
Nov 4, 20260.00%
Nov 3, 20260.00%
Nov 2, 20260.00%
Nov 1, 2026+25.00%
Oct 31, 2026-33.33%

Active installs band

Fewer than 10 on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 15 days across 1 series.-101Oct 27Oct 29Nov 1Nov 3Nov 5Nov 8Nov 10Oct 29, 2026: Tested up to 7.0.8
View as table
DateDaily snapshot
Nov 10, 2026Fewer than 10
Nov 9, 2026Fewer than 10
Nov 8, 2026Fewer than 10
Nov 7, 2026Fewer than 10
Nov 6, 2026Fewer than 10
Nov 5, 2026Fewer than 10
Nov 4, 2026Fewer than 10
Nov 3, 2026Fewer than 10
Nov 2, 2026Fewer than 10
Nov 1, 2026Fewer than 10
Oct 31, 2026Fewer than 10
Oct 30, 2026Fewer than 10
Oct 29, 2026Fewer than 10
Oct 28, 2026Fewer than 10
Oct 27, 2026Fewer than 10

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

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Change log

From our daily snapshot of WordPress.org
    • Tested up to 7.0.7 → 7.0.8

Requirements & info

Version history
Version
1.0.10
Requires WordPress
6.0
Tested up to
7.0.8
Requires PHP
7.4
First released
Jun 15, 2026
Last updated
Jun 15, 2026
Releases, last 12 months
…

Questions about HashCash

How many websites use HashCash?

HashCash is active on fewer than 10 WordPress sites, as WordPress.org reports it. That makes it the #67,957 most popular plugin on WordPress.org.

How many times has HashCash been downloaded?

289 times in total since 2026.

When was HashCash last updated?

Version 1.0.10 came out on Jun 15, 2026 (4 months ago).

Is HashCash compatible with the latest WordPress?

It’s tested up to WordPress 7.0.8, one version behind the current 7.1. Authors often update this line a few weeks after a release.

Is HashCash still maintained?

Yes. Its last release was 4 months ago. No support threads were opened in the last two months.

What rating does HashCash have?

No one has reviewed HashCash on WordPress.org yet.

What are the best alternatives to HashCash?

The plugins most like HashCash, by the tags they share, are LukasApps CAPTCHA tools for Contact Form 7 (100K+), Image CAPTCHA for Contact Form 7 and WPForms by HookAndHook (DSGVO/GDPR) (70K+) and WPBruiser Security (10K+). Compare all alternatives

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
HashCash
Suggested:
Metric
HashCash
Estimated installs≈ 3
Reported installsFewer than 10
Rating–
Reviews0
Total downloads289
AuthorRicheyWeb
First releasedJun 15, 2026
Version1.0.10
Requires WP6.0
Requires PHP7.4
Last updatedJun 15, 2026

Alternatives to HashCash

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:HashCash vs LukasApps CAPTCHA tools for Contact Form 7HashCash vs Image CAPTCHA for Contact Form 7 and WPForms by HookAndHook (DSGVO/GDPR)HashCash vs WPBruiser Security