> ## Documentation Index
> Fetch the complete documentation index at: https://gerfaut-wallet.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Settings

> Pick where Gerfaut reads the chain, trust your own server, route through Tor, get notified, lock the app and back up the wallets you watch.

> **[Backend](/docs/settings/backends-and-your-own-node)**
>
> The public servers, your own Esplora endpoint or your own Electrum server.

> **[Certificates](/docs/settings/certificates)**
>
> Trust a self-signed certificate by its fingerprint, and decide when it changes.

> **[Tor](/docs/settings/tor)**
>
> Reach a .onion backend through the built-in Tor client or the one on your device.

> **[Units and fiat](/docs/settings/units-and-fiat)**
>
> BTC or sats, and the fiat value from the price source you pick.

> **[Appearance](/docs/settings/appearance)**
>
> Light theme, dark theme or the theme of your system.

> **[App lock](/docs/settings/app-lock)**
>
> A PIN or a password, with biometrics and the calculator disguise on Android.

> **[Backup and sync](/docs/settings/backup-and-sync)**
>
> An encrypted backup file or an animated QR code to move your wallets.

> **[Notifications](/docs/settings/notifications)**
>
> A notification when a transaction arrives and when it confirms, and home-screen widgets on Android.


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