For one special bundle price, you get:

1 x COLDCARD® Mk3
1 x Industrial MicroSD
1 x 3-Pack (v4)

For one special bundle price, you get:

1 x COLDCARD® Mk3
2 x Industrial MicroSD

For one special bundle price, you get:

2 x COLDCARD® Mk3
2 x Industrial MicroSD
1 x Power-Only USB Cable
1 x SEEDPLATE™ Backup

For one special bundle price, you get:

3 x COLDCARD® Mk3
6 x Industrial MicroSD
1 x Sticker Collection

New Coldcard Mk3 with upgraded secure element, 2.5x more RAM for more complex transactions, additional side-channel defenses, and much more! Learn more here.

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.

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, 500mA max current.

Magnetic Power-Only Cable with 3x MicroUSB Adapters.
Power your Coldcard, with confidence that the data lines are not connected! Leave the MicroUSB adapter (3 included) attached, and then easily magnetically snap it into place as needed (a "port saver").

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, 2mm 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.

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.

An electro-mechanical clock and price ticker designed for Bitcoin. Track prices from different exchanges, follow Electrum servers on your favourite chain. Learn more here.

Includes: 2x wireless remotes, 1x Coldcard, 3x Opendimes, Stickers and Free Shipping.

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

Sorry, Early Bird batch is now sold out!

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

Reserve your Second-Batch unit, and save your place in line, by pre-paying a part of the total expected $349.
Requires Wifi & internet connection. All aspects of the product are still subject to change

Velcro Vinyl Patch: Coinkite Honey Badger (2 x 3 inches)
Hat not included

All the stickers!

Propaganda for the outside of your head. "Don't Trust Verify" on the back,

Dark Grey, one-size, cap.

Propaganda for the outside of your head.

Black, one-size, 5-panel "trucker-style" cap.

Propaganda for the outside of your head.

Black, one-size, 5-panel "trucker-style" cap.

You can't put Bitcoin in it... but it does hodl your coffee!

White, 11oz.

You can't put Bitcoin in it... but it does hodl your coffee!

White, 11oz.

You can't put Bitcoin in it... but it does hodl your coffee!

White, 11oz.

Participate in the Proof Of Keys every Jan 3rd and Run on your Satoshis, let's make it a tradition

Check out the #ProofOfKeys hat

Participate in the Proof Of Keys every Jan 3rd and Run on your Satoshis, let's make it a tradition

Check out the #SatoshiRun hat