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SeedSigner Profile picture
SeedSigner
@SeedSigner
Privately build a secure bitcoin signing device for less than most HWWs (all software/designs are FOSS). GPG: 4673 9B74 B56A D88F 14B0 882E C7EF 7090 0726 0119
Oct 31, 2023 • 10 tweets • 3 min read
Still a few weeks behind but continue to catch up...

On Oct 5, we made the SIXTH distribution from the project's DEVELOPMENT FUND, which is intended to reward our contributors for their work. You can find the transaction here:

mempool.space/tx/23333d62180…
Image A total of 0.2005 bitcoin were distributed in a combination of ongoing and one-time payments. Any time we make a distribution from this fund, I make sure to post about it so that people who have donated, or who may donate, can see how the funds are being used.
Oct 18, 2023 • 7 tweets • 6 min read
I had the amazing opportunity to have 60 mins on the Proof-of-Work stage at @TheBitcoinConf in Amsterdam. I decided to talk about my story and more about the "why" of our project. There should be a video forthcoming, but for now here are my slides for anyone who might be curious.


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Mar 23, 2023 • 20 tweets • 5 min read
As of Jan 1, 2022 I migrated my side-business, BTC Hardware Solutions, to a bitcoin standard and I wanted to share some of my experiences with that transition & other more general info about operating it thus far using @CashApp.

This is going to be a (maybe) brief 🧵... First of all, to answer the inevitable "WHAT?!? You didn't begin on a bitcoin standard?!?"

I did not, and there were two primary reasons:

1) Most of my suppliers / expenses couldn't be paid in bitcoin

2) I was leery of the tax consequences & tracking a ton of BTC transactions
Dec 9, 2022 • 6 tweets • 2 min read
Slides from the build workshop this weekend, if they are helpful for anyone out there. Pictures turned out surprisingly well.
Dec 8, 2022 • 8 tweets • 2 min read
If our project has a birthday, it's probably December 8.

It was two years ago that I published this brief demo of the basic concept that would grow into SeedSigner.
Sep 17, 2022 • 4 tweets • 3 min read
Slides from a talk I gave this week on how our project is evolving and what's on the horizon.
Jun 22, 2022 • 4 tweets • 2 min read
I have been advised of a real circumstance where a SeedSigner "plausible deniability" feature may have been useful. An aid organization that I have begun to work with was attempting to deliver signers to a small number of African bitcoin communities. Image The signers were unfortunately seized during the customs declaration process. I don't have the sense that they were seized because they were believed to be bitcoin-related, but more so because it was difficult to convey their intended usage so they were, by default, "suspicious". Image
Jun 1, 2022 • 14 tweets • 5 min read
Hi @EbenUpton! I am writing re: the @Raspberry_Pi "Production and supply-chain update" you published in April (raspberrypi.com/news/productio…). If I may, can I share a little about the FOSS project I lead that helps people around the world use the Pi Zero 1.3 to save with bitcoin? I started working on SeedSigner in December of 2020 with very meager python skills and the idea that an inexpensive, air-gapped computer would be an ideal environment to work with bitcoin private keys: