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When your Coldcard MK4 arrives, it comes sealed for security, with all necessary components including the device itself and a wallet backup card. The device's distinctive orange color symbolizes Bitcoin's vibrant spirit. Alongside the wallet, you'll find a backup card with a barcode that will be vital in your setup. This backup card is used to write down your seed phrase, which is the ultimate key to your Bitcoin holdings.
Tip: Use your own paper or a metal backup plate to write down seed words. Digital copies are unsafe, and physical backup ensures long-term security against theft, loss, or damage.