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  • Ben Perrin

How To Use A Bitcoin Hardware Wallet: Coldcard

Updated: Jun 26

The Coldcard Wallet is a device that allows users to store and secure their Bitcoin entirely offline - preventing theft by hackers.


This device does so by allowing you to create PBST's: partially signed Bitcoin transactions. It can be used in conjunction with the Wasabi Wallet, or Electrum.


A PBST allows you to set up a transaction on your computer - amount & destination - place it on an SD card, and insert it into your Coldcard for approval. Once approved, the SD card goes back to the computer to be broadcast onto the Bitcoin network. Let me reiterate: You can send Bitcoin without your private keys (credentials that allow you to send coins) EVER touching an internet connected device.


The Coldcard Wallet was created by Rodolfo Novak from Coinkite, the same guy who brought you a little device called the OpenDime - a trustless way to physically give someone Bitcoin offline.


Enjoy this tutorial which covers initial setup, importing to Wasabi, and sending/receiving both normally & via PBST.


Click here to buy a Coldcard:



Step by step video tutorial:


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Calgary, Alberta, Canada

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