Signet Downloads

The Signet client is a standalone cross-platform application that supports Windows (7 and up), MacOS, and GNU/Linux. It supports both the original Signet and the newer Signet HC. Read the latest client release notes (version for information on new features and improvements. Browser plugins for the Signet client are available for Firefox and Chrome. You can download a binary image below or download the source code to build your own binaries. Check the sections below for installation notes for your platform.

Description Version File GPG signature
Windows client (64 bit) Download Signature
MacOS client Download Signature
GNU/Linux client Download Signature
GNU/Linux udev rule 0.9.17 Download Signature
Android client 0.1.5 Download Signature
Signet firmware binary 1.3.4 Download Signature
Signet HC firmware binary 0.2.2 Download Signature
Client source code Download Signature

To verify the GPG signatures you can download Nth Dimension’s public GPG key. The key fingerprint is

D475 81AE 98C1 7249 9153 87BE 0E47 D2FA 6E50 979D

For additional validation you can find a copy of the key on the GitHub repository for this site here. Copies of the signature files can also be found in the GitHub repository as well.

Browser plugins

Browser plugins for Signet are available online for Firefox and Chrome

Browser Version Install Page
Firefox 0.1.2 Install
Chrome 0.1.0 Install

The sources for the plugins are inside the Signet client code. You can install the plugins using the links below. You may also download one of the standalone plugin files here. If you install from one of the plugin files you will not recieve automatic updates. For Chrome the only way to install from a file is through chrome://extensions with developer mode turned on.


The Android client supports android version 4.4 (Lollypop) and above. At this time the Android client has a limited set of functionality but can be used to copy account data to the clipboard for use. The Android client does not yet support Signet HC but support will be added in the next version.

  1. Download the apk

  2. Tap on the APK file to initiate installation of the application

    If you have already installed the application before you may have to uninstall the current version

  3. Insert your Signet device.

  4. Tap yes when prompted by Android to allow the application to access Signet

  5. Tap yes when prompted by Android to allow the application to be launched when Signet is connected.


The Windows client has been tested on Windows 7, 8, and 10. There are no setup steps: just download and run.


  1. Download signet- then make it executable.

    chmod u+x ~/Downloads/signet-

    You may also want to move it to a more permanent location. Execute the commands below to copy it to ~/bin.

    Use a path in your home directory to keep the binary separate from binaries managed by your Linux distribution.

    mkdir ~/bin
    mv ~/Downloads/signet- ~/bin
  2. Install the Signet udev rule to allow the application to connect to the device.

    1. Download 50-signet.rules
    2. Copy it to /etc/udev/rules.d/.

      sudo cp ~/Downloads/50-signet.rules /etc/udev/rules.d

    You may need to disconnect and reconnect your Signet device for the rule to take effect.


  1. Download the DMG file: signet-
  2. Open the DMG file.
  3. Run Signet from the disk image or copy it to a permanent location of your choice (e.g. /Applications or /Desktop)

On MacOS Catalina (10.15) the OS may report a security exception when you try to open the application. After the error occurs you will be able to override it from your security and privacy settings. This occurs since our application is digitally signed but not yet notarized by Apple.

Past Binary Releases

You can find all past client and firmware releases here.

Source Code

The Signet firmware and client are released under the GPLv3 license. You can find all Signet sources from the Nth Dimension github page. You can also download the latest source archive if you want to build the latest release or browse past source archives to build an earlier version. You can follow these instructions to build the client application from source.