Spiral 1 year ago

Please welcome our first Texan, @benthecarman, to Spiral. After one year probably doing JPEG work at Taproot Wizards, Ben will tackle LDK Server and a new SDK that simplifies how we onboard self-custodial bitcoin users, two things that his Mutiny wallet work lend themselves to.

Spiral 1 year ago

Opinions vary on how best to get strangers into bitcoin.

Spiral 1 year ago

Spiral wizard Yuval Kogman gets to put ”wizard” as his occupation on tax forms, legal documents, and lease applications for a reason. “The Scroll #3: A Brief History of Wallet Clustering“

The Scroll #3: A Brief History of Wallet Clustering

Our previous post in this series introduced the idea behind wallet or address clustering, the trivial case of address reuse, and the merging of clu...

Spiral 1 year ago

April’s Nerd of the Month is @the_charlatan_. This one’s so nerdy that it took four of us to make it understandable even to other nerds.

Nerd of the Month: Bitcoinkernel Library

April’s Nerd of the Month is @the_charlatan_, a Spiral grantee whose work on Bitcoin Core’s build system, validation engine, and long-term arch...

Spiral 1 year ago

Just because our quarterly progress report is now multiple newsletters doesn’t mean we still can’t have a quarterly progress report. It just means that it’s much shorter and mostly bullet points because none of us have attention spans anymore:

2025 Q1 Spiral Progress Report

What you need to know about how little we know.

Spiral 1 year ago

From the same bitcoin co-working and events space that brought you Presidio Bitcoin Jam comes a no-holds-barred adrenaline-fueled thrill ride called 21 in 21, where our own Haley Berkoe asks people like this dude you’ve never heard of 21 questions about bitcoin in 21 minutes:

Spiral 1 year ago

This post was originally released a couple of days ago on

Lightning Dev Kit Documentation

A complete Lightning implementation packaged as an SDK

LDK is a flexible lightning implementation with supporting batteries (or modules).

by some devs who forgot that Spiral now has a newsletter that covers, among other things, LDK-related stuff like VSS. As recompense, they have all been assigned to eat a bowl of spiders.

LDK: Announcing Versioned Storage Service (VSS)

A solution for live online sync and lightning state backup for non-custodial wallets.

Spiral 1 year ago

The Nostr community could be the only community that understands our latest newsletter. Twitter seems to be struggling:

The Scroll #2: Wallet Clustering Basics

In this new recurring newsletter, The Scroll, we’ll be highlighting the highly technical concepts happening within bitcoin.

Spiral 1 year ago

This is quickly becoming my all-time favorite Spiral writing project. And we have had SO MANY of those over the years:

Plushie Confidential #2: Rooting for the Little Guy

This post focuses on how Itty Bitty came to be and what your marketing team can learn from our wins, losses, and outright mistakes.

Spiral 1 year ago

If your bitcoin investment strategy can’t fit in a fortune cookie, it’s too complicated.

Spiral 1 year ago

In our latest blog post, Spiral’s Bitcoin Wizards are highlighting potential upgrades to the Bitcoin Scripting system that will enable improved scaling across the network, starting with topics like the economic limits of self-custody.

The Scroll: UTXO Sharing

In this new recurring newsletter, The Scroll, we’ll be highlighting the highly technical work being done by our Bitcoin Wizards team, who, as it ...

Spiral 1 year ago

How we got into the bitcoin plushie business, part 1:

Plushie Confidential #1: Big Start, Small Finish

Puppets weren’t enough.

Spiral 1 year ago

Drawn between doing another plushie that is either this herecomesbitcoin.org cat or this Warhammer-inspired battle mech. These are the kind of decisions you get to make working within the bitcoin space and practically nowhere else.

Spiral 1 year ago

Spiral 1 year ago

Last day to save big on small: https://bitkey.world/en-US/campaigns/free-plushie

Spiral 1 year ago

Our free-to-use library of bitcoin assets has a new look:

Here Comes Bitcoin

Here Comes Bitcoin is the central resource for all things Bitcoin (puppet, not currency), including license-free creative assets that you can use t...

Spiral 1 year ago

Literally years in the making, Saving Satoshi is an interactive RPG that uses storytelling and gaming mechanics to onboard developers into the FOSS bitcoin ecosystem:

Saving Satoshi

Saving Satoshi

Explore the mysteries of Satoshi and learn about bitcoin along the way.

Spiral 1 year ago

Spiral 1 year ago

There might be a more informative, entertaining, and user-friendly way than

Saving Satoshi

Saving Satoshi

Explore the mysteries of Satoshi and learn about bitcoin along the way.

to on-ramp new bitcoin developers, but if there is, we’ve never heard of it.

Spiral 1 year ago

What does it have to do with bitcoin? I dunno. But it is pretty.