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[Only Bitcoin]

General Description:

The Coldcard Q is a Bitcoin “cold wallet” designed for users seeking maximum security. It is an air-gapped hardware wallet with a large color display, a full keyboard, and advanced security features. Designed by Coinkite, it is the ideal choice for those who take the security of their precious satoshis very seriously.

Technical characteristics:

• Display : 3.2 inch color LCD screen.
• Keyboard : Full QWERTY-style physical keyboard, optimized for easy and secure typing.
• QR Scanner : Integrated with LED, allowing easy communication with other devices via QR codes.
• Connectivity :
  • NFC : For secure interaction with other compatible devices.
  • USB-C : Allows for wired connection if needed, while still being compatible with battery power.
  • Dual MicroSD Slot : For secure storage of data and backups.
• Battery : Powered by 3 AAA batteries, providing exceptional battery life, up to 4 months of standby time. Can also be powered via USB-C for extended use.
• Memory : Secure storage via multiple Secure Elements, ensuring the security of private keys even in the event of physical compromise of the device.

Security and Advanced Features:

• Double Secure Element : Ensures the protection of private keys with a high level of physical and cryptographic security.
• Two-Level PIN : Allows you to set a master PIN and a hard PIN to protect your funds from brute force attacks.
• “Countdown to Brick” feature : An ultimate protection feature that allows the device to be “bricked” after a certain period of time, making it impossible to access private keys if stolen or compromised.
• Seed Generation via Dice Rolls : Generate your recovery phrase completely offline using a physical method, further enhancing the security of key generation.
• Duress Mode : This mode allows you to trigger a self-destruct sequence or false data if coerced.

Use and Ergonomics:

• Air-Gapped Mode : Works without ever being connected to a computer or network, drastically reducing the risk of remote hacking.
• User Interface : Intuitive and optimized for intensive use while offering maximum security.
• Multi-Signature Formats Support : Full support for multi-signature transactions, enabling even more robust security configurations.

Recommended Applications:

The Coldcard Q is ideal for power users, especially Bitcoin holders looking to maximize the security of their funds. It is especially useful for those who want to set up air-gapped wallets, manage large funds, or anyone who needs institutional-grade security.

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