ALTCHA for Joomla!
By Akeeba Ltd
Access & Security
Joomla! plugin to implement ALTCHA (https://altcha.org/), the Open Source, proof-of-work, self-hosted CAPTCHA alternative.
What is ALTCHA
Unlike regular CAPTCHA solutions, it does not require your users to solve puzzles, identify blurry photos, or read distorted text. It uses JavaScript and cryptography to prove that it's running on a real browser, which strongly implies there's a real person on...