## Captcha
### Pleroma.Captcha
+
* `enabled`: Whether the captcha should be shown on registration.
* `method`: The method/service to use for captcha.
* `seconds_valid`: The time in seconds for which the captcha is valid.
### Captcha providers
+#### Pleroma.Captcha.Native
+
+A built-in captcha provider. Enabled by default.
+
#### Pleroma.Captcha.Kocaptcha
+
Kocaptcha is a very simple captcha service with a single API endpoint,
the source code is here: https://github.com/koto-bank/kocaptcha. The default endpoint
`https://captcha.kotobank.ch` is hosted by the developer.
## Custom Runtime Modules (`:modules`)
* `runtime_dir`: A path to custom Elixir modules (such as MRF policies).
-
-Example:
-
-```elixir
-config :pleroma, :modules, runtime_dir: "/var/lib/pleroma/modules"
-```