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The Tangem Wallet employs a different approach. Its private keys are stored physically on the card itself, which cannot be altered or accessed remotely. To access your crypto, you need both the card and a password, adding an extra layer of security. Multiple cards can be stored in separate safe locations, meaning even if one is stolen, your remaining assets stay protected.
Additionally, while traditional hardware wallets often receive firmware updates—introducing potential vulnerabilities—the Tangem cards are unupdatable, ensuring the firmware remains unchanged after manufacturing. This reduces risks associated with backdoors or malicious updates that could compromise security.