Proof-of-Work CAPTCHA System
Protect your website with computational challenges instead of annoying image puzzles. No more clicking traffic lights or crosswalks.
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Fast Integration
Add a simple iframe to your site. No complex setup required.
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Secure
Computational proof-of-work makes automated attacks expensive.
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Configurable
Adjust difficulty and rate limits per website from your dashboard.
How It Works
1
User Clicks
Visitor clicks "I'm not a robot"
2
Computation
Browser computes SHA-256 hash
3
Verification
Server validates the solution
4
Token
Unique token sent to your backend