Authentication

mCaptcha

Open Source Updated 31d ago

Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.

go get github.com/mcaptcha/mcaptcha

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CAPTCHA alternative using proof-of-work — users solve computational puzzles instead of image recognition. No tracking.

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self-hostedcaptchaproof-of-workprivacybot-protectionrust
View on GitHub ★ 2,425Rust
Last commit 196d ago53 open issues
Using this saves ~50k tokens vs building from scratch
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