Bitcoin Security Leader Coinkite Unveils Revolutionary Hardware Spending Policies for COLDCARD & 2FA Security Upgrade
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最新报道：Coinkite has released a major firmware update for its COLDCARD Bitcoin hardware wallets, introducing Spending Policies that allow users to set granular controls on Bitcoin transactions. The update also adds support for 2FA with Google Authenticator, NFC transaction broadcasting, and Smart PIN AutoBrick features, enhancing security for the Bitcoin-only signing device.
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