hardware wallet

The SeedSigner guides

A collection of video guides covering SeedSigner: an open source, DIY Hardware Wallet/Signing device

Cole

May 15, 2023 • 2 min read

SeedSigner is a Bitcoin Signing Device you can build from scratch. Sounds difficult, but this 4 part series should help you out :) I suggest you watch part 1 and 2, then decide wether you want to use desktop (watch part 3) or a mobile device (watch part 4).

Everything you need to know will be below. Other useful links include SeedSigner's website, their Github, their Keybase, the latest release, hardware requirements, and SeedQR templates.

Part 1: How to build a SeedSigner:

In this video I show you how to download and verify the SeedSigner software, what parts are needed, and how to assemble your SeedSigner.

Part 2: Testing your SeedSigner

Before I used my SeedSigner, I did a few tests to ensure it wasn't doing anything malicious. I thought I would share this step too. Here is how to verify that your SeedSigner exports the correct wallet (xpub), how to verify SeedSigners dice rolls math, and how to verify SeedSigners bip-85 child seeds.

Part 3: How to use SeedSigner with Sparrow Wallet (desktop)

SeedSigner is capable of generating seeds and signing off on bitcoin transactions. But by itself, it is not capable of building transactions. You need to use a wallet "coordinator" with your SeedSigner. This is how to use Sparrow Wallet with your SeedSigner:

Part 4: How to use SeedSigner with Blue Wallet (mobile)

SeedSigner is capable of generating seeds and signing off on bitcoin transactions. But by itself, it is not capable of creating transactions. You need to use a wallet "coordinator" with your SeedSigner. This is how to use Blue Wallet with your SeedSigner:

Part 5: How to create wallets for friends and family using BIP-85.

SeedSigner is a great device for creating secure wallets for friends and family, SeedSigner is both stateless and can handle multiple keys at once. This video guide shows you how to be uncle Jim using SeedSigner: