<h2>Overview:</h2>
<p>ALTCHA is a self-hosted alternative to CAPTCHA that uses a proof-of-work mechanism to protect websites, APIs, and online services from spam and abuse. It does not rely on cookies or fingerprinting, is GDPR compliant, and does not track users.</p>
<h2>Features:</h2>
<ul>
<li><strong>Frictionless CAPTCHA Alternative</strong>: Uses proof-of-work instead of visual puzzles.</li>
<li><strong>Data Obfuscation</strong>: Safeguards email addresses from scraping.</li>
<li><strong>Cookie-less</strong>: Designed to be GDPR compliant by default.</li>
<li><strong>Self-hosted</strong>: Operates independently without external providers.</li>
<li><strong>SaaS Available</strong>: Provides a SaaS API option at altcha.org/docs/api.</li>
<li><strong>Server Integrations</strong>: Supports various server-side languages like TypeScript, PHP, and more.</li>
<li><strong>CMS Integration</strong>: Offers a WordPress plugin and compatibility with other libraries.</li>
</ul>


Altcha Org

Altcha