COLDCARD Documentation

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COLDCARD Documentation

Documentation
Documentation
- Guides
  Guides
  - Getting Started
    Getting Started
    
    Quickstart! Start Here!
    
    Q Quickstart Guide
    
    Guide For Bitcoin Beginners
    
    PINs
    
    Ready To Sign?
    
    Sending and Receiving Bitcoin for Beginners
    
    COLDCARD Ultra Quick Guide
    
    COLDCARD Middle Ground Guide
    
    COLDCARD Paranoid Guide
  - General
    General
    
    Upgrade Firmware
    
    Settings Menu
    
    Address Explorer
    
    Verify Address Ownership
    
    QR Scanner
    
    Encrypted Backups
    
    NFC Tools
    
    Secure Notes & Passwords
    
    Multisig Features
    
    Airgap Multisig
  - Seed Management
    Seed Management
    
    Generate Seed
    Generate Seed
    
    Generate Seed: Quick
    
    Generate Seed: Middle Ground
    
    Generate Seed: Paranoid
    
    BIP-39 Passphrase
    
    Temporary Seed
    
    Seed Vault
    
    Seed XOR
    
    Scan Seed
    
    Lock Down Seed
    
    Derive Seed BIP-85
    
    Seed Functions
  - Advanced
    Advanced
    
    Advanced/Tools Menu
    
    Derivation Paths and Accounts
    
    How to Clone or Migrate a COLDCARD
    
    Migrate from Ledger or Trezor to COLDCARD
    
    Importing or Creating Private Keys
    
    Message Signing
    
    BIP-85 Passwords
    
    Trick PINs
    
    Descriptor Export
    
    Descriptors & Multisig
    
    Verifying Dice Roll Math
    
    Paper Wallets
    
    Export Deterministic Entropy (BIP-85)
    
    MicroSD 2FA
    
    Key Teleport
    
    COLDCARD Co-Signing
    
    HSM Mode and CKBunker
    
    HSM Mode and CKBunker
    
    User Management
    
    Spending Rules
    
    Local Confirmation Codes
    
    HSM Security Notes
    
    USB Protocol for HSM Mode
    
    CLI Commands for HSM
  - Developer
    Developer
    
    BSMS (BIP-129)
  - Community Guides
  - How To Videos
- References
  References
- Advanced Topics
  Advanced Topics
- COLDCARD FAQ
- Comparing A Few Hardware Wallets
- COLDCARD Mk4 vs. Mk3
- COLDCARD Q Overview
COLDCARD Home
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Seed XOR

Advanced > Danger Zone > Seed Functions > Seed XOR > Split Existing

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