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domain	altcha.org
summary	ALTCHA is a privacy-first, accessible alternative to traditional CAPTCHAs. It offers spam protection without compromising user privacy or accessibility, complying with various regulations (GDPR, HIPAA, etc.) and features WCAG AA compliance. Key benefits include a frustration-free user experience, customization options, advanced security features through ALTCHA Sentinel, and an open-source core. It’s available as a widget for web and mobile applications, along with server libraries in TypeScript, PHP, Go, Python, Java, Ruby, and Elixir, and integrates with community libraries in C, Clojure, Rust, and more. A comparison highlights ALTCHA’s superiority over traditional CAPTCHAs in terms of privacy, usability, accessibility, and security.
title	Privacy-First Captcha and Bot Protection \| ALTCHA
description	ALTCHA is a next-gen Captcha and bot protection solution for websites and apps, designed for privacy, accessibility, and compliance.
keywords	protection, sentinel, security, spam, data, privacy, accessibility, compliance, user, source, bots, users, open, services, alternative, self, detection
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nslookup	A 143.244.56.51
created	2026-02-14
updated	2026-02-14
summarized	2026-02-15