μcaptcha is a math handwriting captcha scheme for touch-capable devices. Instead of entering text with a keyboard, you just retype a mathematical expression shown on a web canvas. μcaptcha belongs to the set of protocols called HIPs (Human Interactive Proofs), which allow a person to authenticate as belonging to a select group; e.g., human as opposed to machine, adult as opposed to a child, etc.
μcaptcha allows you protect your online forms from illegitimate access or abuse. Furthermore, as a byproduct of solving μcaptchas, a valuable labeled dataset of online handwritten math expressions is collected. μcaptcha is thus channeling the users’ effort into creating valuable resources for machine learning. Learn how μcaptcha works
- You need the μcaptcha API keys. Get them here.
- Your server must have the cURL library installed. Most servers do.
- English (default)
- Español (es_ES)
- Català (ca_ES)
- Other languages? – Just make a pull request
- Upload the plugin folder to the
- Activate the plugin through the
- Get the μcaptcha keys here and set them in the plugin configuration page.
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Contributors & Developers
“μcaptcha” is open source software. The following people have contributed to this plugin.Мүчөлөрү
- Released first version.