<chapter xmlns="http://docbook.org/ns/docbook"
         xmlns:xlink="http://www.w3.org/1999/xlink"
         xmlns:xi="http://www.w3.org/2001/XInclude"
         version="5.0"
         xml:id="trezor">
 <title>Trezor</title>
 <para>
  Trezor is an open-source cryptocurrency hardware wallet and security token
  allowing secure storage of private keys.
 </para>
 <para>
  It offers advanced features such U2F two-factor authorization, SSH login
  through
  <link xlink:href="https://wiki.trezor.io/Apps:SSH_agent">Trezor SSH agent</link>,
  <link xlink:href="https://wiki.trezor.io/GPG">GPG</link> and a
  <link xlink:href="https://wiki.trezor.io/Trezor_Password_Manager">password manager</link>.
  For more information, guides and documentation, see <link xlink:href="https://wiki.trezor.io"/>.
 </para>
 <para>
  To enable Trezor support, add the following to your <filename>configuration.nix</filename>:
<programlisting>
<xref linkend="opt-services.trezord.enable"/> = true;
</programlisting>
  This will add all necessary udev rules and start Trezor Bridge.
 </para>
</chapter>
