Josh Stark (0xstark.eth)
@0xstark
Doing maintenance. Past: Leadership at @Ethereumfndn, co-founder @ETHGlobal co-founder @statechannels / @L4ventures
1.7K Following 26.7K Followers
signing off for a few months 🫡
next for me: long walks, watering my plants, cooking for friends & family, playing music, and reading.
see you on the other side!
After 5 years on the @ethereumfndn leadership team, I’ve decided to step away and pass the torch. I made this decision in early March, and will wrap up my work at the end of April. I’ve made no plans for the future, other than taking a long break to reset and spending time with my family & friends.
Working for Ethereum at the Ethereum Foundation has been a great honour. I’m proud to have worked with great people inside and outside of the EF, and proud of what our community has accomplished together. And I’m grateful to have worked with @aerugoettinea, @dannyryan, @hwwonx, @tkstanczak, @tjuliang, @VitalikButerin, and @AyaMiyagotchi on the leadership team over the years. We share a vision and a set of values that mean I will always be your ally and your friend.
This journey has been a gift. I have had the rare privilege of seeing up close how small teams of great people can do the impossible. It has changed how I see the world and my place in it. We do not need to accept the world as it is, or where we fear it is going. That is not hope, it is definite: I have seen the proof.
The Ethereum ecosystem has reliably done things the world told us was impossible. It is easy to forget how much real fear and doubt there was that Ethereum would never launch, that DeFi would never work, or that Proof of Stake would never ship. The lesson is not that our success was guaranteed and the doubters are always wrong, but that truly wicked problems can be overcome when great people make an extraordinary effort. You must make an extraordinary effort.
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5. You can't just abstract away which blockchain you are using, because blockchains - like construction materials or lawyers - are not equivalent and interchangeable.
A database controlled by a company can call itself a blockchain and even act like one, until it matters.
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We’re thrilled to unveil our new Interactive Interop page - a visual map of how value moves across the ecosystem.
The ecosystem is no longer a list of silos. Our interactive hub lets you visualize the connections between 15 chains and 33 supported protocols. 👇
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Hacks like these remind us that for many assets, the goal should be to make Ethereum not only the transport layer, but also the issuer-of-record.
Validity proofs and fast finality are essential to remove latency across the board and compete with faster alternatives.
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After 5 years on the @ethereumfndn leadership team, I’ve decided to step away and pass the torch. I made this decision in early March, and will wrap up my work at the end of April. I’ve made no plans for the future, other than taking a long break to reset and spending time with my family & friends.
Working for Ethereum at the Ethereum Foundation has been a great honour. I’m proud to have worked with great people inside and outside of the EF, and proud of what our community has accomplished together. And I’m grateful to have worked with @aerugoettinea, @dannyryan, @hwwonx, @tkstanczak, @tjuliang, @VitalikButerin, and @AyaMiyagotchi on the leadership team over the years. We share a vision and a set of values that mean I will always be your ally and your friend.
This journey has been a gift. I have had the rare privilege of seeing up close how small teams of great people can do the impossible. It has changed how I see the world and my place in it. We do not need to accept the world as it is, or where we fear it is going. That is not hope, it is definite: I have seen the proof.
The Ethereum ecosystem has reliably done things the world told us was impossible. It is easy to forget how much real fear and doubt there was that Ethereum would never launch, that DeFi would never work, or that Proof of Stake would never ship. The lesson is not that our success was guaranteed and the doubters are always wrong, but that truly wicked problems can be overcome when great people make an extraordinary effort. You must make an extraordinary effort.
Show more
1/ The Ethereum Audit Subsidy
A joint initiative with audit providers to subsidize the cost of audits for Ethereum builders. Security audits are a best practice, yet expensive. The subsidy program makes audits accessible and strengthens the Ethereum ecosystem.
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the @EFprotocol team published an EIP Champion's Handbook today:
Getting a feature into the protocol through a decentralized governance process can be fucking hard. These resources aim to help EIP champions give their features the best shot at getting included
INCLUDING - how to go about getting feedback from the rest of the ecosystem and make sure that the feature will get adoption
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L1 🤝 L2s
Ethereum as the global settlement and liquidity hub. L2s as differentiated execution environments.
We have been building toward this for years with a dedicated focus on financial institutions.
Private. Secure. Compliant. Onchain.
The Bank Stack of Ethereum
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Today, several teams at the EF are launching a dedicated resource for Ethereum's post-quantum security effort.
What started with early STARK-based signature aggregation research in 2018 has grown into a coordinated, multi-team effort, all open source.
The Post-Quantum team and Cryptography teams, with help from the Protocol Architecture and Protocol Coordination teams, have been working on this body of work for 8+ years.
At you'll find:
- How PQ impacts each protocol layer
- The full PQ roadmap (
- Open resources: repos, specs, papers, EIPs
- FAQ: 14 questions across 5 categories, written by the PQ team
- A 6-part lean Ethereum interview series (@zeroknowledgefm)
- Interest form for the 2nd Annual PQ Research Retreat (Cambridge, UK, Oct 2026)
- 10+ client teams are already building and shipping devnets weekly through PQ Interop.
All the work is public and all of it is open.
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Ethereum is leading the way in quantum preparedness.
To learn more, check out - it's a beautiful website!
Today I had the opportunity to present Ethereum's post-quantum security strategy at the Institutional Ethereum Forum in NYC.
15 minutes to explain why every proof-of-stake blockchain faces the same signature aggregation problem — and what the EF is doing about it.
We also launched — a dedicated resource that brings together everything the PQ/Crypto teams have been working on:
→ How PQ impacts each protocol layer
→ The full PQ roadmap
→ Open resources — repos, specs, papers
→ FAQ — 14 questions we keep getting from institutions, now open-sourced
→ Interest form for the 2nd Annual PQ Research Retreat (Cambridge, Oct 2026)
Huge thanks to @drakefjustin @tcoratger @asanso and the entire PQ team, the @leanEthereum client teams shipping devnets every week.
Next week: Fort Mode in Cannes.
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Today I had the opportunity to present Ethereum's post-quantum security strategy at the Institutional Ethereum Forum in NYC.
15 minutes to explain why every proof-of-stake blockchain faces the same signature aggregation problem — and what the EF is doing about it.
We also launched — a dedicated resource that brings together everything the PQ/Crypto teams have been working on:
→ How PQ impacts each protocol layer
→ The full PQ roadmap
→ Open resources — repos, specs, papers
→ FAQ — 14 questions we keep getting from institutions, now open-sourced
→ Interest form for the 2nd Annual PQ Research Retreat (Cambridge, Oct 2026)
Huge thanks to @drakefjustin @tcoratger @asanso and the entire PQ team, the @leanEthereum client teams shipping devnets every week.
Next week: Fort Mode in Cannes.
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1/ How L1 and L2s can build the strongest possible Ethereum
tldr: we should continue to lean into the unique capabilities of each layer, and make sure all users have a clear path to securely and seamlessly benefit from the core properties of Ethereum
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The Cari announcement sparked a debate about institutional blockchain infrastructure. Much of it focuses on technical architecture. But first, consider the business case of proprietary vs. open standard.
Governance of proprietary networks like Canton or Tempo is going to be controlled by a small group with disproportionate voting weight. It's "permissionless", but to join you have to submit a Google Form with opaque admission criteria. It's unclear who decides.
Over time, the most influential participants will set the terms of access and pricing. If you're a bank evaluating this today, you recognize the pattern from SWIFT and Visa: early incumbents locking in structural advantages while late joiners absorb the cost.
This is what we hear from banks.
Everyone wants to build their own SWIFT-killer. Nobody wants join someone else's SWIFT-killer.
Ethereum is the only settlement layer where that dynamic can't take hold, because no single entity can capture it. It's the only place where every participant can permanently trust that no future coalition will rewrite the rules against them.
That's what makes Ethereum the only game-theoretical equilibrium as a global settlement layer for institutional finance that works long term.
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we're looking to expand the @ethereumfndn's comms coordination team with a new hire
you'll work with a small team to support everything we do on socials today, help expand our capabilities in asia, and take on much more as we take on new challenges
great role for someone junior but looking to learn fast and take on more responsibility
more info 👇
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