## Pleroma.Captcha
* `enabled`: Whether the captcha should be shown on registration
* `method`: The method/service to use for captcha
-* `minutes_retained`: The time in minutes for which the captcha is valid (stored in the cache)
+* `seconds_retained`: The time in seconds for which the captcha is valid (stored in the cache)
### Pleroma.Captcha.Kocaptcha
Kocaptcha is a very simple captcha service with a single API endpoint,