Captcha - HashCash
Enhance Joomla form security with the Captcha - Hashcash plugin. This free tool uses lightweight, client-side proof-of-work to block spam bots without user interaction. It integrates seamlessly with Joomla’s core captcha system, protecting forms like login, registration, or contact pages. Ideal for reducing spam while maintaining user experience.
Extension Page: Captcha - HashCash