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SeedSigner + Satochip Documentation
Home
Quick starts
Quick start 01 — Install applets on DIY JavaCards
Quick start 02 — Generate a mnemonic and save it to a SeedKeeper
Quick start 03 — Load a multisig descriptor and save it to a SeedKeeper
Quick start 04 — Initialise a Satochip card with a seed
Quick start 05 — Generate a password and save it to a SeedKeeper
Quick start 06 — First-time DIY card setup (GlobalPlatform keys)
Quick start 07 — SLIP-39 backup
Quick start 08 — BIP85 child seed
Quick start 09 — SeedQR backup
Quick start 10 — Flash a MicroSD card
Smartcards
Bundled JavaCard Applets
Smartcard Seed Storage Support
SeedKeeper
Satochip
Keycard
Satodime Support
Specter-DIY (MemoryCard)
Seeds & backups
Multisig Descriptors
SLIP-39 Shares
BIP85 Child Seeds
SeedQR Format Specification
QR Formats
Verifying dice seed generation
SeedSigner Electrum Seed Phrase Support
WIF and BIP38 Key Signing
SeedSigner Recovery Information
Tools
Password Generator
Text QR Code Tool
MicroSD Tools
GPG Tools
GPG Trusted Signers by Project
BIP85 GPG Version History
Hardware
Shopping List
Hardware Shopping and Assembly
Hardware Platform Support
IO Config Reference
Battery calibration (UPS HAT)
Relaying internet access to the Pi Zero 1.3 over USB
Legacy Hardware Modifications
Building & development
Building SeedSigner OS Images
Raspberry Pi OS Local Dev Build Instructions
Dev Device Setup Instructions
Desktop Simulation Mode
Repository Layout & Release Pairing
Developer Tips
Code Structure
Debugging a Crash for Advanced (Technical) Users
Feature Roadmap
SeedSigner OS
Building an SD card image
Build Profiles
Reproducible Builds
Hardware entropy across the supported boards
DIY Tools: Verification & Mount Log
SeedSignerOS Layers
SeedSigner OS Development
Building without docker
Customizing buildroot configurations
Luckfox Pico
Luckfox build & development
Luckfox Pico secure boot
Verifying a distributed SeedSigner Luckfox image
Signing formats and tools (reference)
Luckfox secure boot — bench procedure
Driving SocToolkit's `upgrade_tool` directly
OS Build Instructions
Luckfox Startup Workflow (SeedSigner)
Build Issues & Solutions Quick Reference
Build Fix: libcamera GCC Incompatibility
Ensure CSI is enabled
Camera Service Management Planning
Smartcard Package Build Fix Documentation
Smartcard Support Packages
Toolchain Analysis: Can We Enable Multiple GCC Versions?
Search SeedSigner + Satochip Documentation
Repository on GitHub
JavaCard applets, readers and supported card types.
Bundled JavaCard Applets
Smartcard Seed Storage Support
SeedKeeper
Satochip
Keycard
Satodime Support
Specter-DIY (MemoryCard)
Table of contents
Bundled JavaCard Applets
Smartcard Seed Storage Support
SeedKeeper
Satochip
Keycard
Satodime Support
Specter-DIY (MemoryCard)