Is coldcard a bitcoin wallet?
Excuse me, could you clarify for me if Coldcard is indeed a Bitcoin wallet? I've heard of it being mentioned in the cryptocurrency community, but I'm not entirely sure of its function or if it's specifically designed to store and manage Bitcoin. If it is, could you elaborate on its features and how it differs from other types of wallets in the market? I'm particularly interested in its security measures and whether it offers any unique advantages for Bitcoin holders. Thank you in advance for your insights.
How does coldcard (Mk4) protect bitcoin?
Could you elaborate on the security measures employed by the Coldcard (Mk4) to safeguard Bitcoin holdings? Specifically, how does it utilize hardware-based security, air-gapped operation, and multi-factor authentication to ensure the safety and privacy of users' funds? Additionally, what are the unique features of the Coldcard that set it apart from other hardware wallets in terms of protecting Bitcoin?