Alex Fowler @alexanderfowler

Chief Strategy Officer with Nexus (@nexuslabs). Prev. Transparent, Blockstream, Mozilla, PwC, Zero-Knowledge Systems, EFF & AAAS linkedin.com/in/afowler/ San Francisco Bay Area Joined January 2011

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ncklr @n1ckler

3 weeks ago

Excited to share "Provable Cryptography for Bitcoin: An Introduction" - a comprehensive workbook that teaches formal security definitions and proofs through hands-on exercises. Solutions included!

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In the 90s, cryptography was regulated like a weapon. Today, it might be our best defense against runaway AI. Just dropped a convo with @alexanderfowler on the post-user internet, the ethics vacuum, and why verifiability matters more than ever.

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Nexus @NexusLabs

2 months ago

At BASS and SBC conversations around AI and crypto circled the same question: How do we trust systems we can’t see inside? @alexanderfowler and @danielmarinq argued that trust will come from infrastructure designed for proofs. Read more: blog.nexus.xyz/verifiable-ai-…

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Prof B Buchanan OBE FRSE @billatnapier

3 months ago

Today, I had the privilege of talking with the person who created the foundation of our current online security ... Victor S Miller. Spotify: open.spotify.com/episode/2sDHST… Apple: podcasts.apple.com/gb/podcast/ase…

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Nexus @NexusLabs

3 months ago

Testnet III has begun. Today, we're rolling out Testnet III across the United States, Vietnam, Nigeria, Russia, India, Indonesia, the United Kingdom, Hong Kong SAR and Mainland China. Tomorrow, the world. Learn more: nexus.xyz/testnet?utm_so…

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Nexus @NexusLabs

3 months ago

Soon.

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Alex Fowler @alexanderfowler

4 months ago

Crypto wasn’t built overnight – or by accident. It’s the result of decades of work by visionary cryptographers and computer scientists. We can’t continue to lead without investing in science. This piece gets it right.

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CoinDesk @CoinDesk

4 months ago

An open letter from leading academics highlights the critical role of university research in driving crypto and blockchain innovation. They argue that the U.S. can't lead crypto innovation through regulation alone; it needs top-notch research. Opinion. trib.al/h1mMrF5

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Nexus @NexusLabs

4 months ago

In March, we released the zkVM 3.0. Take a deep dive into more detail about its design intent and features. New post from @michelabdalla blog.nexus.xyz/zkvm-3-0-and-b…

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Nexus @NexusLabs

4 months ago

In a world where AI agents are increasingly autonomous and embedded in critical decision loops, trusting the output is no longer enough. We must prove how it was generated. Who ran the model? What data was used? What parameters were applied? And can we verify that,…

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Alex Fowler @alexanderfowler

4 months ago

Constraints and Soundness Analysis for zkVM Instructions blog.nexus.xyz/constraints-an…

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Alex Fowler @alexanderfowler

5 months ago

The future of AI will be verifiable. Today we launched the Nexus Verifiable AI Lab — building systems we can trust, prove, and verify. In just weeks: investors aligned, partners engaged, thousands eager to join. Let’s build a more accountable future!

Nexus @NexusLabs

5 months ago

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Nexus @NexusLabs

5 months ago

Welcome Riyaz Faizullabhoy (@riyazdf) as VP of Security. Riyaz joins Nexus after co-founding Bastion, being CTO @a16zcrypto, tech lead and architect for Novi (formerly Facebook’s Blockchain wallet), and more. blog.nexus.xyz/welcoming-riya…

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Wei Dai @_weidai

5 months ago

Updates on Google Wallet's ZK system. I've reached out to abhi shelat at Google and got the confirmation that the system described in the below paper was indeed deployed in Google Wallet. - Standard proposals and open source code are to be released. - The system makes the…

Wei Dai @_weidai

5 months ago

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Nexus @NexusLabs

5 months ago

Nexus @NexusLabs

5 months ago

https://t.co/o3ndYl11js

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Nexus @NexusLabs

6 months ago

We are living in the age of blur. AI-generated content, misinformation, and deepfakes are everywhere. Trust is collapsing. We don’t know what’s real anymore. That’s why we need a Verifiable Internet.

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Erica Jostedt @ejsf22

6 months ago

“With AI, we’re entering a world where it’s easy to make deep fakes with videos, images, anything. We will need ways to verify everything we see on the internet and zero knowledge proofs can be part of that solution.” - @JensGroth16

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StarkWare (BTCFi arc) @StarkWareLtd

7 months ago

Write in Rust, prove with Stwo. The Nexus zkVM brings client-side proving to the Rust fam. Stwo everywhere.

Nexus @NexusLabs

7 months ago

Write in Rust, prove with Stwo. The Nexus zkVM brings client-side proving to the Rust fam. Stwo everywhere.

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Alex Fowler @alexanderfowler

7 months ago

The Verifiable Internet is happening. Following our Testnet II, which engaged millions worldwide in testing deep tech via a seamless UX experience, we released a new research-driven zkVM complete with code, full specs, walkthroughs and more. Serious cryptography. Massive scale.