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:

3 x Coldcard Mk3
1 x Power-Only USB Cable

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.
(5volts, 500mA max current)
Adaptor only, cable and battery not included.

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.

For one special bundle price, you get:

5 x Coldcard Mk3
10 x Industrial MicroSD
1 x 3-Pack (v4)
1 x Sticker Collection

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.

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

Propaganda for the outside of your head.

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

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.

All the stickers!

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