Alternatives to HashCash – Proof of Work CAPTCHA
Invisible Proof-of-Work CAPTCHA. No checkboxes, no image grids, no Google, no tracking. Just spam protection that gets out of the way.
Snapshot
Rating: 0.0/5 (0 reviews)
Downloads: 36
Active installs: 0
Maintenance score: 68/100
Compatibility
Requires WordPress: 6.0
Tested up to: 7.0
Requires PHP: 7.4
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Cardea – Proof-of-Work Comment Spam Protection(0)•Updated 74d ago
Lightweight, zero-dependency Proof-of-Work anti-spam protection for WordPress comments.
0 installs236 downloads59/100 • Actively maintained
Crovly – Proof of Work Captcha & Spam Protection(0)•Updated 56d ago
Privacy-first, Proof of Work captcha for WordPress. No image puzzles, no tracking. 22+ integrations included.
0 installs104 downloads59/100 • Actively maintained