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Air-gapped Wallets: Ultimate Cold Storage Setup

Published on
13 Apr, 2025 | 09:43
Image: AI-generated for bitcoin24.com

What Is an Air-gapped Wallet?

An air-gapped wallet is a device that has never been connected to the internet. It stores your private keys in complete isolation and signs transactions offline, offering maximum protection.

Why Use One?

  • Highest security: Immune to remote malware or phishing attacks.
  • Ideal for cold storage: Perfect for long-term holding of significant amounts.
  • Offline signing: Transactions are prepared on another device and signed via QR or USB.

Setup Tips

Use a dedicated, wiped laptop or a specialized device (like a Coldcard). Never connect it to Wi-Fi or plug in unknown USBs. Store it securely and test recovery procedures.

Security Tip

Keep your air-gapped wallet physically secure—treat it like a safe. And don’t forget secure backups for your seed phrase.

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