plg_captcha_altcha

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plg_captcha_altcha

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Joomla! plugin to implement ALTCHA, the Open Source, proof-of-work, self-hosted CAPTCHA alternative

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# ![ALTCHA for Joomla!](https://raw.githubusercontent.com/akeeba/plg_captcha_altcha/main/assets/banner.png "ALTCHA for Joomla!")

A Joomla! plugin to implement ALTCHA, the Open Source, proof-of-work, self-hosted CAPTCHA alternative.

[![Downloads](https://img.shields.io/github/downloads/akeeba/plg_captcha_altcha/latest/total?sort=semver&style=for-the-badge&logoColor=%23ffffff&label=Download
)](https://github.com/akeeba/plg_captcha_altcha/releases) &nbsp; [![Documentation wiki](https://img.shields.io/badge/wiki-wiki?style=for-the-badge&label=documentation)](https://github.com/akeeba/plg_captcha_altcha/wiki)

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🇪🇺 Made in the European Union

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## Quick start

[Download](https://github.com/akeeba/plg_captcha_altcha/releases/latest) the extension's ZIP file. Its name is `plg_captcha_altcha-VERSION.zip` where _VERSION_ is the latest version number.

> ❗️Do not download the `plg_captcha_altcha.zip` file (without a version number). That's a file automatically generated by GitHub containing the source code in this repository. You cannot install this in Joomla!.

Log into your site and go to System, Install, Extensions. Click on the Upload and Install tab. Use the “Or upload file” button to open a file picker dialog; find the ZIP file you downloaded, and double-click on it. Joomla! will now install the extension.

Go to System, Manage, Plugins and enable the “CAPTCHA - ALTCHA” plugin.

Go to System, Global Configuration and select this plugin as your Default CAPTCHA.

If you have any extensions which were using a different CAPTCHA plugin explicitly configured in them, remember to edit their options and choose the “CAPTCHA - ALTCHA” plugin instead.

For more detailed usage information take a look at our [documentation](https://github.com/akeeba/plg_captcha_altcha/wiki).

## Copyright statement

ALTCHA for Joomla! – A Joomla! plugin to implement ALTCHA, the Open Source, proof-of-work, self-hosted CAPTCHA alternative.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see [http://www.gnu.org/licenses/](http://www.gnu.org/licenses/).

plg_captcha_altcha

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