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COLDCARD Mk4 with upgraded secure elements, USB-C connector, new plastic, optional NFC, massive RAM for multisig, and much-much more. Learn more here.
USB cable not included
New COLDCARD Q with QR scanner, 3xAAA battery support, dual SD cards, qwerty keyboard and huge new screen. Includes all Mk4 features. Learn more here.
Batteries & USB cable not included.
COLDCARD "Schiff" Gold Edition , because industrial use is not a good store-of-value.
May not be real gold, but just as pretty.
Normal COLDCARD Mk4 but in Glow-in-the-Dark! Great for your deepest cold-storage cave. In normal light, it looks white/clear.
USB cable not included
For one special bundle price, you get:
1 x COLDCARD™ Mk4
1 x Pink Mk4
1 x Blue Mk4
1 x Green Mk4
1 x Orange Mk4
1 x Purple Mk4
For one special bundle price, you get:
1 x COLDCARD™ Mk4
1 x Gold Mk4
1 x Glow-In-The-Dark Mk4
1 x Black Mk4
COLDCARD Q "Schiff" Gold Edition , because industrial use is not a good store-of-value.
May not be real gold, but just as pretty.
Normal COLDCARD Q but in Glow-in-the-Dark! Great for your deepest cold-storage cave. In normal light, it looks white/clear.
Batteries & USB cable not included.
Magnetic Power-Only Cable with 3x USB-C Adapters.
Power your COLDCARD, with confidence that the data lines are
not connected! Leave the USB-C adapter (3 included) attached,
and then easily magnetically snap it into place as needed (a "port saver").
Only for Mk4 and Q (not Mk3 or earlier).
Industrial Grade MicroSD for secure Coldcard backups.
True SLC design w/ wear-leveling & block mgmt.
Environmental tested (bend / torque / salt spray / solar radiation) and
harsh temperatures: -40°C to +85°C.
Picture for illustration only.
Single 24 word plate, 12 words per side! Quality, thick steel, cut and etched in Canada. Etched text marks chemically colored in black for better legibility. This design was kept small in size, for better storage and concealment. Learn more.
Center Punch sold separately. Design may vary depending on batch.
We recommend using this Automatic Center Punch for marking the SEEDPLATE. Just press and it will automatically snap to mark. Made out of High Speed Steel.
Save time rolling dice with a bag of 100 cute and tiny little dice. Generates 256 bits of entropy in a single shake! Watch the video here. 100 quantity, 5mm, black/white D6 dice.
COLDCARD and SEEDPLATE sold separately.
3 x Opaque, Tamper-Evident bags
4 x Recovery Cards
2 x ESD bags
Bag internal size is 10.5x6in
Water-resistant, black, hard-case with custom protective foam for the COLDCARD Mk4. Un-branded and low profile. See more pictures here.
COLDCARD Mk4 not included.
Water resistant Q Hardcase. Fits Q and 3 batteries, but could be snug with Q+Mk4 if inverting the Q position. Black plastic without any branding. See more pictures here.
Q and batteries not included. External size: 7.25" x 1.75" x 5.5"
Power your Coldcard and other low power USB devices from a standard 9-volt battery without any USB data concerns. Makes a great gift for the cypherpunk in your life. Learn more here.
Adaptor only. Cable and battery not included. 5volts at 500mA max current.
White, 3 meter (9 ft), USB-C to USB-C cable. Intended to power the BLOCKCLOCK™ micro, but works with any USB-C device.
Does not include AC/DC adapter. Also works with Mk4.
