How to Use Cold Card with Sparrow Wallet

🔑Cold Card is an air-gapped Bitcoin hardware wallet that allows you to secure your Bitcoin offline.

🌐By exporting your public key from Cold Card to Sparrow Wallet, you can start receiving Bitcoin and monitor your balance.

💰Sparrow Wallet becomes a view-only wallet as the private key remains stored only in Cold Card, ensuring maximum security for your Bitcoin.

✉️To spend Bitcoin, you need to build a transaction in Sparrow Wallet, sign it offline using the private key on Cold Card, and broadcast it on the Bitcoin network.

🔒Always double-check the address you're sending Bitcoin to and set a label for better organization and tracking.

Is Cold Card safe for long-term Bitcoin storage?

—Yes, Cold Card is designed for long-term storage as it keeps the private key offline, protecting your Bitcoin from online threats.

Can I have multiple addresses in Sparrow Wallet?

—Yes, Sparrow Wallet generates a new address for each transaction, allowing for better privacy and security.

What if I forget the pin for Cold Card?

—If you forget the pin, your Bitcoin remains secure as the private key is not accessible without the pin.

Can I use Cold Card with other wallets?

—Yes, Cold Card is compatible with various wallet apps, including Sparrow Wallet, Electrum, and Wasabi Wallet.

What happens if I lose my Cold Card?

—If you lose your Cold Card, you can recover your Bitcoin using the backup seed phrase you generated during the initial setup.

00:00Introduction to using Cold Card with Sparrow Wallet and the security benefits of Cold Card's offline storage.

01:06Exporting the public key from Cold Card to Sparrow Wallet to start receiving Bitcoin.

02:53Understanding the view-only functionality of Sparrow Wallet and the need for the private key to remain stored only in Cold Card.

04:37Building a transaction in Sparrow Wallet, signing it offline with the private key on Cold Card, and broadcasting it on the Bitcoin network to spend Bitcoin.

06:22Best practices for double-checking the recipient address, setting labels for better organization, and performing a test spend before larger transactions.