World's 1st and only Real Physical Bitcoin.
Opendime is a small USB stick that allows you to spend Bitcoin like a dollar bill. Pass it along multiple times.
An Open & Ultra-secure Hardware Wallet!
Coldcard is a Bitcoin hardware wallet, it signs transactions to keep the private keys offline.
BLOCKCLOCKTMMINI
Our second Bitcoin Data Display.
Track #bitcoin price, see blocks as they are published and connect Opendimes to display balance, fiat value, and deposit QR.
SEEDPLATE™
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
TAPSIGNER™
The simple Bitcoin wallet in your pocket.
TAPSIGNER is a Bitcoin private key on a card! With it you can sign mobile wallet transactions by tapping the card on your phone.
SATSCARDTM
Like cash in hand, pass physical Bitcoin along multiple times.
SATSCARD is new type of OPENDIME® in an NFC card form factor with ten times the reuse capacity.
COLDPOWER™
Power your Coldcard and other low power USB devices
from a standard 9-volt battery without any USB data concerns
CKBunker
CKBunker is a python program that you run on a computer attached to a Coldcard.
It will setup and operate the Coldcard in “HSM Mode” where it signs without a human pressing the OK key.