Krux DIY Hardware Wallet (Unofficial)

[dkbit98]

Can I do a feature request here?

You can, but it's better to also do it on telegram or on their social media accounts, to get quicker response.

Since you are asking about that, I would like to ask for adding support for Liquid Network assets (L-BTC, L-USDT, etc) in Krux, and that would mean support for Aqua wallet.
Right now as far as I know Liquid supported wallets are Jade, Ledger nano s, Specter, Aqua and Green wallet.

[qlrd]

Hi, qlrd here (krux-installer developer). I am writing this post to share the new Krux releases:

Krux v24.03.0

https://github.com/selfcustody/krux/releases/tag/v24.03.0

This release focuses on internal optimizations to enhance the firmware's performance, making it lighter, faster, and more reliable. These improvements not only result in a better user experience but also lay the groundwork for seamlessly integrating future features

- Wipe Device (Fully erase every bit of user’s space memory)- Better Deletion of Mnemonics Stored on SD card
- Save and Load Wallet Output Descriptor from SD card- Sign Messages at a Derived Bitcoin address (Attest address ownership)
- Reproducible Builds (Identical firmwares built on Github or any PC)- Entropy Quality Estimation for Mnemonic Creation.
- IRQ Interfaces (Better touch and buttons input response)- Restore Default Settings
- Optimized Settings Storage- Amigo's Power Manager Enhancements
- GUI Enhancements- Mnemonic Numbers Export
- Optimized QR codes (Faster and lighter rendering)- Export QR Codes as Images to SD Card
- Screensaver- Addresses Exploring Improvements
- Update Embit to version 0.7- Maix Dock Simulator
- New Compatible Device – Yahboom K210 Module- Join Amigo IPS and Amigo TFT firmwares
- Many Other Small Fixes and Code Optimizations that make Krux morereliable and able to sign transactions with more inputs and outputs.

Krux-Installer v0.0.12

https://github.com/selfcustody/krux-installer/releases/tag/v0.0.12

This release will follow new features of krux firmware:
 
- Now maixpy_amigo_tft and maixpy_amigo_ips are unified as maixpy_amigo;
- Added maixpy_yahboom in device list for both official and beta releases;
- Added maixpy_cube in device list (only for beta releases);

[Meuserna]

The new QR viewer option for dim/bright is FANTASTIC.  I haven't had time to fully test it yet, but I assume the less-bright option is going to make scanning QR codes much easier.  Love it!

I can't say enough good things about the work you folks are doing.  I'm so glad o have found this project last year.

EDIT:  Ooh, I missed this:

Sign Messages at a Derived Bitcoin address

Sign messages from Sparrow and Specter, via QR code, also attesting a Bitcoin address belongs to you.

Love it.

[selfcustodykrux]

Krux wallet is turning any M5StickV device into an airgapped hardware wallet.
I knew before that M5Sticks are great for making DIY wallets like this but just now I noticed model M5StickV that is great because it has built in camera and battery, and there is no WiFi or Bluetooth connection.
It is fully Open Source, written in MicroPython and it is using QR codes for communication with other devices.
This is still fully functional wallet but it is still in alpha testing so please report any bugs you notice to developer or his Krux github page.
Krux wallet is not generating seed words so this should be done manually offline and you can import them yourself or with QR code.

Shopping list:

 - M5StickV ~ $30 - $50 (included with screen, camera, buttons and battery)
 - MicroSD card

Code:

 - Krux Wallet github (by Jeff jreesun )
 - Firmware, Requirements, Building, Installing

Website with step by step installation guide:
https://selfcustody.github.io/krux/

For support installing, using Krux wallet or any other questions you can visit https://matrix.to/#/#krux:matrix.org

Krux Android App for testing:
https://github.com/odudex/krux_binaries/tree/main/Android

Use at your own risk and only store coins you are willing to lose!

Hi! Any chance you can change this: For support installing, using Krux wallet or any other questions you can visit https://matrix.to/#/#krux:matrix.org

To this: For support installing, using Krux wallet or any other questions you can visit https://t.me/SC_Krux

Cheers

[Forsyth Jones]

I didn't know there was an ANN thread for Krux (even if it's unofficial), but without further ado, as some of you know, in the v26.08.0 release, odudex announced that he would be stepping down from the project as a maintainer and that Krux would be discontinued in the coming months[release note], unless they found an eligible maintainer with sufficient proof of work.

But the Krux Self Custody DIY project will continue, passing from one maintainer (odudex) to @JohnDoe_le_frog (jdlcdl on Github).

Official announcements:

https://x.com/odudex/status/2089338028770677114 (post from odudex)
https://x.com/selfcustodykrux/status/2089184624060575749

[satscraper]

I didn't know there was an ANN thread for Krux (even if it's unofficial), but without further ado, as some of you know, in the v26.08.0 release,

The main fix in v26.08.0.  is relevant to security bug where one older, discontinued device ^{Maix Bit} could have its camera-data-overflow-memory-buffer. it is now patched, and support for that device has been fully removed. They also made the transaction signing screens stricter, so it now double checks fees and warns you if your wallet app didn't send enough data to fully verify the amounts before you sign. On top of that, QR code scanning is faster and lighter on memory thanks to a new C-based module, and there's  also the bunch of smaller bug fixes and display improvements.

My general conclusion: It is worth updating your signing devices.

[Forsyth Jones]

The main fix in v26.08.0.  is relevant to security bug where one older, discontinued device Maix Bit could have its camera-data-overflow-memory-buffer. it is now patched, and support for that device has been fully removed.

For a moment, I thought they were referring to the Maix Amigo (that model with the front camera), but there was another model that isn't even listed on the Krux site anymore, which is the Maix Bit. I only knew the Maix Amigo, which was the best device with Krux support I could ever known, but unfortunately, it's no longer available for purchase because the model was discontinued. 

[Meuserna]

The main fix in v26.08.0.  is relevant to security bug where one older, discontinued device Maix Bit could have its camera-data-overflow-memory-buffer. it is now patched, and support for that device has been fully removed.

For a moment, I thought they were referring to the Maix Amigo (that model with the front camera), but there was another model that isn't even listed on the Krux site anymore, which is the Maix Bit. I only knew the Maix Amigo, which was the best device with Krux support I could ever known, but unfortunately, it's no longer available for purchase because the model was discontinued.  

There are a bunch of devices to run Krux on. It's a shame the Amigo was discontinued. It was my favorite. If you have good vision and you don't have fat fingers, the Yahboom is great. It's small enough to fit in an Altoids tin. The Embed Fire might be too.