MCAPTCHA
mCaptcha is a proof-of-work CAPTCHA system prioritizing digital freedom and user privacy. It silently protects websites without tracking or image solving, offering a seamless UX. A drop-in replacement for reCAPTCHA, mCaptcha empowers websites to defend against DDoS attacks while respecting users, built on a decentralized, open-source stack.
High Performance
Built for speed and minimal overhead.
Self-hostable
Docker, Kubernetes, or bare metal
Developer Native
Programmable via any language workflow
SUPPORTED LANGUAGES
VISUAL INTERFACE
The Quick Glance
Relative Standing — across 1,284 tools
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