1# Trezor {#trezor} 2 3Trezor is an open-source cryptocurrency hardware wallet and security token 4allowing secure storage of private keys. 5 6It offers advanced features such U2F two-factor authorization, SSH login 7through 8[Trezor SSH agent](https://wiki.trezor.io/Apps:SSH_agent), 9[GPG](https://wiki.trezor.io/GPG) and a 10[password manager](https://wiki.trezor.io/Trezor_Password_Manager). 11For more information, guides and documentation, see <https://wiki.trezor.io>. 12 13To enable Trezor support, add the following to your {file}`configuration.nix`: 14 15 services.trezord.enable = true; 16 17This will add all necessary udev rules and start Trezor Bridge.