The Applet
The applet running on every HushChip card is an unmodified fork of the SeedKeeper applet, originally developed by Toporin.
- Source code: github.com/hushchip/Seedkeeper-Applet
- Licence: GNU Affero General Public License v3 (AGPLv3)
- Modifications: None. This is an unmodified fork.
The App
The HushChip companion app is a fork of the open-source SeedKeeper mobile app, with new branding and UI improvements.
- Source code: github.com/hushchip/HushChip-iOS
- Licence: GNU General Public License v3 (GPL-3.0)
- Original work by: Satochip S.R.L. / Toporin
All original copyright notices are preserved in the source repositories.
What These Licences Mean for You
- You can read the source code and verify what the applet and app do
- You can modify the code and run your own version
- You can redistribute the code under the same licence
- You cannot make derivative works proprietary
The full licence text is included in each repository.
Attribution
Original SeedKeeper applet by Toporin / Satochip S.R.L.
SeedKeeper and Satochip are registered trademarks of Satochip S.R.L. (Belgium). HushChip is not affiliated with, endorsed by, or associated with Satochip S.R.L.
HushChip cards are independently sourced and run the same open-source applet on EAL6+ certified hardware.
Hardware
We publish the exact chip model so you can independently verify its security certification.