0xJeff
The place where you can read the full UNFILTERED writings on Crypto, AI, Privacy and More by 0xJeff
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 652 | Founded | 4 years ago | Last Issue | 4 days ago |
| Active | |||||
Read this Newsletter
defi0xjeff.substack.comLatest Issues
Data = the PMF after Onchain Inference
Walking through the narrative of Onchain AI data, the current state of the narrative, the landscape, and all the top players and opportunities within it
We’ve seen early signs of Onchain Inference in 2026. Multiple teams have reached billi...
The After Hour EP.76 — QuantumTumtum
Covering the latest state of crypto market & narratives last week + the state of onchain inference where capital are flowing to and where are the asymmetric dip-buying opportunities
Quantum fears plagued everyone’s minds this week.
Token2049 is TradFi2049 with a Hint of Crypto
Sharing my experience of the Token2049 week + insights + hidden gems/interesting projects I found + a signal on what the future have in store for us
Token2049 Singapore wrapped up with a bang. I’d be lying if I say this year was better tha...
The After Hour EP.75 — Onchain Inference Remains
Covering the latest state of crypto market & narratives last week + the state of onchain inference where capital are flowing to and where are the asymmetric dip-buying opportunities
Turns out this week has been the biggest week in Onchain...
Venturing into Onchain Robotics
Beginners’ Guide to Onchain Robotics, the Landscape, the Key players, and where the most asymmetric opportunities are
Robotics is expected to be a $7 Trillion - $9 Trillion market by 2050 driven by the soon-to-be explosive growth of humano...
Key Facts
Audience Metrics
Subscribers, engagement, traffic and sponsorship for 0xJeff.
| Subscribers | Engagement | 70 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
SEO Reach
Where 0xJeff ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 32 | Monthly Search Traffic | Top Keywords |
|---|
Chart Rankings
How this newsletter ranks in the official Substack charts.
| #92 | |
| #26 |
Authors
The writers behind this newsletter.
I write Web3 AI content daily -> Filtered Thoughts on X and Unfiltered "Here"
Frequently Asked Questions
How can I access the email archive for 0xJeff?
You can find recent issues that have been published by 0xJeff 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 0xJeff have?
To see how many people subscribe to 0xJeff, 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 0xJeff?
Newsletter advertising can be extremely effective when it's done right. Before you pitch 0xJeff 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 0xJeff?
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 0xJeff using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to 0xJeff?
Scroll up to where it says Related Newsletters to see other publications like 0xJeff. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact 0xJeff?
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.