GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.
JavaScript
2054
98
MIT License
ALTCHA is a self-hosted, privacy-first CAPTCHA alternative that protects websites and APIs from spam and abuse using a proof-of-work mechanism. It's designed for developers and organizations seeking GDPR, WCAG 2.2 AA, and EAA compliant security solutions without relying on cookies, tracking, or third-party services.
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