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Since the Cold Card Q never shares the private keys over the internet and operates in an offline environment, it minimizes the risk of hacking or malware attacks. Its design ensures that private keys are only ever kept within the device, making it an ideal solution for long-term Bitcoin custody.
Backup & Recovery
Understanding the importance of safeguarding access, the Cold Card Q employs a seed phrase—often 12 or 24 words—that acts as a backup or “spare key." Writing down this seed meticulously and storing it securely is paramount, as it allows you to recover your funds if the device is lost, damaged, or stolen.