Bitcoin Multisig Guide

Get started with multisig


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Intro

There are many ways to achieve a sovereign multisig setup, this guide aims to show you just one of them. The hardware and software tools detailed have been selcted for good reason, all of which are explained below. You are welcome to use alternative hardware or software but please ensure you do your own research.


Hardware

Item Purpose
Laptop with webcam Installing Specter Desktop
Coldcard Air gapped signer #1
Micro SD Card <32GB x2 For passing transactions to/from the Coldcard + installing Seed Signer software
Cobo Vault Air gapped signer #2
Seed Signer Redundant air gapped signer #3 - Parts list below

Hardware Rationale


Software

Item Reason
Bitcoin Node Verifying your own transactions
Specter Desktop Co-ordinating the wallet + all trasactions
Sparrow Wallet (optional) For testing backups + redundancy

Software Rationale


Other

Item Reason
3x Metal Seed backups Robust seed word backups
USB Drive Storing Specter Desktop backup file
Dice Add adding entropy to seed generation of all 3 signers

Other Tools Rationale


Got everything you need? Lets get started with the software setup.


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