altcha

ALTCHA provides a free, open-source Captcha alternative utilizing a proof-of-work mechanism to safeguard your website against spam and unwanted content. ALTCHA ensures robust spam protection without compromising user privacy.

Integrations supported

• Self-hosted
• Sentinel
• SaaS API (deprecated)

Post-Installation

• Configure ALTCHA globally on the CAPTCHA configuration form via: /admin/config/people/captcha
• Configure ALTCHA on specific forms via: /admin/config/people/captcha/captcha-points
• Users with the administer altcha permission can configure ALTCHA via: /admin/config/people/captcha/altcha

Requirements

This module depends on the CAPTCHA module.

Additional features

ALTCHA Obfuscate

This feature provides support for the obfuscation mode of the ALTCHA widget, and helps protect sensitive information from bots.

The submodule adds obfuscation field formatters for e-mail, telephone and text fields.

Alternative modules

Friendly Captcha - Alternative proof-of-work CAPTCHA solution.
CAPTCHA - See the list of other CAPTCHA modules.