Coldcard Q


COLDCARD Q with QR scanner, 3xAAA battery support, dual SD cards, qwerty keyboard and huge new screen. Includes all Mk4 features.

20 in stock (can be backordered)


COLDCARD Q Highlights

  • QWERTY Keyboard: ideal for long BIP-39 passphrases.
  • 320×240 pixel LCD screen, 3.2″ diagonal size. Four times Mk4 size.
  • Battery powered by 3x AAA cells (or USB). Airgapped and wireless!
  • Dual MicroSD slots (push-pull type, not spring loaded).
  • QR Code scanner done right™, with LED illumination and advanced scanning algorithms and serial interface.
  • NFC communication, like Mk4 but with dedicated NFC antenna.
  • Includes internal storage for spare MicroSD cards.
  • USB data & NFC data can be irreversibly blocked, by cutting either PCB trace: disables USB data or NFC data at electrical level.

Same as the COLDCARD Mk4

  • NFC-V compatible: tap to transmit all data types, including PSBTs, addresses, and XPUBs.
  • Two Secure Elements from two manufacturers; minimizes unknown vulnerability risks.
  • USB Virtual Disk Mode: emulates a 4MB disk when connected to macOS, Windows, iPhone, etc.
  • Many extensive duress PIN options (Trick PINs)
  • USB-C connector
  • Same fast processor and high memory capacity.

Explainer in English by Bitcoin Sessions:

Explainer in Dutch coming soon

Additional information

Weight 0,150 g
Dimensions 255 × 160 × 30 cm

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