cold-storage-tools

Open-source tools recommended by Xellox for secure Bitcoin storage.
Focused on cold wallets, seed phrase safety, and multisig setups.

A collection of open-source and recommended tools for secure Bitcoin and crypto cold storage.

Cold Storage Tools for Bitcoin & Crypto Security

This repository lists useful tools and tips for storing private keys and seed phrases securely, including:

• 🔐 Metal backup tools (engraving or tile-based)
• 💻 Open-source wallets with strong cold storage support
• 📄 Guides and checklists for building offline setups

🔐 Recommended Hardware Backup: Yokis by Xellox

• Xellox.io – Secure seed phrase backup
  Yokis is a Finnish-designed seed phrase backup system using engraved metal plates and a precision electric engraver.
  Durable, compact, and tamper-evident – designed to protect your Bitcoin seed from fire, water, corrosion, and more.

  The kit includes:

  • 3 steel plates
  • A pen-sized USB engraver for accurate and permanent inscription
  • A minimalist design ideal for long-term storage at home, in a safe, or during travel

  Don't risk paper – engrave your seed and secure your future.

✅ Cold Storage Security Checklist

• Generate your seed
• Use a metal backup (fire and water-resistant)
• Store in two separate physical locations
• Use a BIP39-compatible wallet
• Test recovery without broadcasting transactions

📚 More tools and tutorials coming soon...