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Once verified, confirm and generate a signed QR code on the Cold Card. Now, return to your phone and scan this signed QR code. The Bull Bitcoin app processes the signed transaction, finalizing it for broadcast.
Broadcasting the Transaction
After scanning the signed QR code, the transaction is signed and ready to broadcast to the Bitcoin network. Confirm the details, and then send it through the Bull Bitcoin app. Your Bitcoin transaction is now securely signed offline and broadcasted seamlessly.
Final Notes and Resources
This process exemplifies best practices for Bitcoin security: keeping private keys offline on hardware, while managing transactions through a trusted app. Cold Card combined with Bull Bitcoin offers a robust setup for users prioritizing security.