New 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

For one special bundle price, you get:

1 x COLDCARD® Mk4
2 x Industrial MicroSD

For one special bundle price, you get:

2 x COLDCARD® Mk4
2 x Industrial MicroSD
1 x Power-Only USB-C Cable
1 x SEEDPLATE™ Backup
1 x Center Punch
1 x COLDPOWER Adapter
1 x Security Bag Kit

For one special bundle price, you get:

1 x COLDCARD® Mk4
1 x Industrial MicroSD
3 x SEEDPLATE™ Backup
1 x Security Bag Kit

For one special bundle price, you get:

1 x COLDCARD® Mk4
1 x Industrial MicroSD
1 x 3-Pack (v4)

For one special bundle price, you get:

3 x COLDCARD® Mk4
6 x Industrial MicroSD
1 x Sticker Collection
2 x Security Bag Kit

Our second Bitcoin art piece with 7 EInk digits. Track prices from exchanges, see blocks as they are published by miners and connect Opendime to display balance, fiat value, and deposit QR codes. Size 30×10 cm.

Requires WiFi & Internet connection.

The cute little sibling to our MINI Blockclock: the new MICRO!

Same huge selection of data values from exchanges and the blockchain, but about a third the size on your desk, with a single e-ink display. Size 11×7 cm.

Requires WiFi & Internet connection. All design elements, and product subject to change.

Prepaid Gift Card for any product or service from this store. Delivered as unique codes that you can give to friends, family and associates or resell.
Learn more here and check balances.

Must be purchased with Bitcoin.

Special ORANGE edition of our standard V4 Opendime. No software differences, just the unique and Bitcoin-appropriate color!

Finally a stealth-looking edition of our standard V4 Opendime. Plain Green PCB. All outside references to Bitcoin have been removed and comes in a new shape, but no software differences. Obverse side reads "Flash Drive / 32 bytes".

NEW v4! Fourth generation of the Opendime: a small USB stick that allows you to spend Bitcoin like a dollar bill. Pass it along multiple times. Connect to any USB to check balance. Unseal anytime. Trust no one.

Magnetic Power-Only Cable with 3x USB-C Adapters.
Power your COLDCARD Mk4, 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 (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.

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.

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—only 5x3"—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.

Water resistant metal capsule to hold your Opendimes! Big enough for a bunch of Opendimes (any generation) or a single 2.75" 12-gauge round. Colour: space grey.

Opendimes sold separately.

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.

All the stickers!

Don't Trust - Verify

Black, Twill Unstructured Cap.

COLDCARD and SEEDPLATE not included.

Honey Badger

Grey, Twill Unstructured Cap.

COLDCARD and SEEDPLATE not included.

Traditional wool sauna hat with Steamy Honey Badger.

Limited quantities!

Velcro Vinyl Patch: Coinkite Honey Badger (2 x 3 inches)

Hat not included.

For one special bundle price, you get:

1 x COLDCARD® Mk4
2 x Industrial MicroSD
1 x Power-Only USB-C Cable
1 x SEEDPLATE™ Backup
1 x Center Punch
1 x COLDPOWER Adapter
1 x Security Bag Kit

TAPSIGNER featuring the Bitcoin Honey Badger.

Learn more at: tapsigner.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

New "tri-blue" TAPSIGNER design.

Learn more at: tapsigner.com and see them all in our gallery of cards.

Lock your place in line with this reservation. Up to 6 can ship for a special flat-rate if ordered alone.

SATSCARD First Edition.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Special edition Melting Fiat artwork by Cryptograffiti.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Special edition artwork by Sketchnote.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Special edition Yellow ₿ Flames artwork by NoGood.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Special edition The Moon Honey Badger artwork by Mu Uncooperative.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Special edition Chinese Red Envelope artwork.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Special edition Neon Honey Badger artwork by NVK.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Special edition Lucky Badger artwork by Mu Uncooperative.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Covert SATSCARD that appears to be a forgotten hotel room key. Plain back side, no Bitcoin branding.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Enter the Bitcoin Rabbit Hole.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Celebrating Lunar New Year for 2023: Year of the Rabbit.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Lock your place in line with this reservation. Up to 6 can ship for a special flat-rate if ordered alone.

Solar-wave couple of the future.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Lock your place in line with this reservation. Up to 6 can ship for a special flat-rate if ordered alone.

The suits are freaking about an orange pill?

Learn more at: getsatscard.com and see them all in our gallery of cards.

Lock your place in line with this reservation. Up to 6 can ship for a special flat-rate if ordered alone.

Who is the new king of the money hill? The Honey Badger.

Learn more at: getsatscard.com and see them all in our gallery of cards.

Lock your place in line with this reservation. Up to 6 can ship for a special flat-rate if ordered alone.

25mm / 1 inch square (and very thin) chip-only version intended for artists to embed into their works. Similar to TAPSIGNER, but allows public record of the artwork and cannot be backed-up.

Learn more at: satschip.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

Card version of the SATSCHIP, intended for artists to attach onto their works.

Learn more at: satschip.com and see them all in our gallery of cards.

Up to 6 can ship for a special flat-rate if ordered alone.

TAPSIGNER First Edition design.

Learn more at: tapsigner.com and see them all in our gallery of cards.

This design is no longer being made and is no longer for sale.

USB adapter so your laptop or desktop computer can talk to our NFC Cards.

IMPORTANT: Incompatible with Mk4 NFC features! Works only with NFC cards. ACR1252U from Advanced Card Systems does not support MacOS.

Superior USB adapter so your MacOS laptop can talk to our NFC Cards.

IMPORTANT: Incompatible with Mk4 NFC features! Works only with NFC cards. HID Omnikey "CL5022 CL" works well in Windows, Linux and MacOS.