Spiral
Our newsletter has been called the most fun and informative in tech by no less than two of our employees.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 36 | Founded | 2 years ago | Last Issue | 24 days ago |
| Active | |||||
Read this Newsletter
spiralxyz.substack.comLatest Issues
The Agentic State Machine
Written by goose dev Douwe Osinga
goose launched a long time ago. Dog years have nothing on agent years. goose predates general agentic AI by a bit. The initial thought behind it all was: what happens if you give an LLM control over a shel...
The Many Headaches of CoinJoin
Written by Spiral Bitcoin Wizard, Yuval Kogman
CoinJoin has many faces, and it also has many headaches. This post will specifically focus on the cluster headache, pun unapologetically intended, that is designing an overtly privacy-optimizi...
Spiral x Goose: The Best is Yet to Honk
Written by Spiral Lead, Steve Lee
There comes a time in every brand’s life when they must update their shit. Sometimes this is motivated by royally messing up, while at other times it’s driven by concerns that people don’t know the brand i...
The Best Money For Agents
Written by Mat Balez
Everything is moving at AI speed now.
As recently as a few months ago, the question “how will my agent pay for things?” didn’t have a great answer. Humans had to intervene frequently to help agents log in to services...
Meet Loupe: AI-Powered Vulnerability Scanning for Open-Source Bitcoin
Written by Elias Rohrer, Jordan Mecom, and Thomas Kilbride
You’ve heard this a hundred times, making this the one-hundred-and-first time, but AI is changing the way we do almost everything. This includes one of its lesser-known, or less ac...
Key Facts
Audience Metrics
Subscribers, engagement, traffic and sponsorship for Spiral.
| Subscribers | Engagement | 65 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Chart Rankings
How this newsletter ranks in the official Substack charts.
| #189 |
Authors
The writers behind this newsletter.
Spiral builds and funds public goods that make money and intelligence more open, secure, and accessible.
Frequently Asked Questions
How can I access the email archive for Spiral?
You can find recent issues that have been published by Spiral on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does Spiral have?
To see how many people subscribe to Spiral, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in Spiral?
Newsletter advertising can be extremely effective when it's done right. Before you pitch Spiral as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like Spiral?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Spiral using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to Spiral?
Scroll up to where it says Related Newsletters to see other publications like Spiral. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact Spiral?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.