Freedom maximalist. Good vibes only.
Boulder, Colorado, USA, Earth
Joined March 2008
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Announcing hashsma.sh! 𝟘 𝟙 ❒ 🔨
Strengthen cryptography with AI.
Cryptography—both current and post-quantum cryptography—depends on hashes. SHA-256? SHA-3? BLAKE3? Nobody knows if they are secure. We're going to find out!
Come help accelerate scientific research!
HashSmash is an open science-acceleration project in collaboration with @yukonresearch, @eigenlabs, @projecteleven, and @ShieldedLabs.
zooko🛡🦓🦓🦓 ⓩ retweeted
Я убеждён, что важнейшим драйвером #Zcash является даже не цена (цена уже следствие), а критически важно, чтобы о нём говорили. Без живого интереса людей Zcash не станет социальным феноменом масштаба биткоина.
Поэтому воспринимайте эти дискуссии позитивно, это часть процесса.
zooko🛡🦓🦓🦓 ⓩ retweeted
the semi spy war has been through multi-cycle it's never new. Oct 2018 Bloomberg's headline "The Big Hack" on $SMCI is very referable.
The story landed in an almost perfect political window during Trump 1.0 and back then he was a China hawk himself:
- FIRRMA expanded CFIUS in Aug 2018
- congress restricted Huawei/ZTE procurement same month
- $200b of China tariffs had just taken effect in Sep 2018
- and the new National Cyber Strategy explicitly targeted China
- one month later Nov 2018 DOJ launched the China Initiative after the story broke
- Huawei executive Meng Wanzhou was arrested another month after in Dec 2018
its all means to the same end
back then the story led SMCI fell 40% in one day. Apple, Amazon and Supermicro all rejected the story. Tim Cook even publicly asked Bloomberg to retract it. DHS and the UK’s NCSC denied, Supermicro hired Nardello to test the boards thoroughly and found no evidence of malicious hardware
8 years later, no implanted board has founded and no agency has confirmed the original claim. the spy chip story now feels like a nothing burger for Supermicro.. (and its also involved in another 2026 federal indictment over alleged Nvidia server shipment to China)
Tactics like this is very handy cuz the investigation can takes forever the companies/individual can never conclusively prove that nothing happened.
When all the outlets started to blast the same personal scandal in the same 48h window and with a clear cadence .. its never organic
again not saying the underlying allegations were totally manufactured or Jensen is innocent, just the political agenda on this is way too obvious and worth a deeper thought than the chinese spy/personal affairs drama
zooko🛡🦓🦓🦓 ⓩ retweeted
Michael Guima (@michael2xl) joins Shielded Labs as our Community Lead.
He’ll help strengthen our connection with the Zcash community, keep people informed about our work, and create educational resources that make our technology and Zcash governance easier to understand.
Michael is a long-time Zcash contributor. He leads Zcash Brazil (@zcashbrazil) and developed @openzcash.
Please join us in welcoming Michael!
zooko🛡🦓🦓🦓 ⓩ retweeted
The Zcash University Tour Begins!
Today, we're kicking off our university tour at Bolu Abant İzzet Baysal University!
Time: 12:00 PM (Türkiye Time)
What's waiting for you?
Learn about Zcash and privacy technology
Surprise gifts
Zcash knowledge quiz
Free pizza and drinks
Join us to explore the world of blockchain and digital privacy, meet new people, and have a great time together!
Location: Bolu Abant İzzet Baysal University
Privacy is normal.
We'd love to see you there!
zooko🛡🦓🦓🦓 ⓩ retweeted
Zcash Shielded Assets (ZSAs) were once on Zcash's roadmap, but now are controversial.
For ZSA supporters: why do you want them?
What use cases would you be most eager to see them used for?
zooko🛡🦓🦓🦓 ⓩ retweeted
Many people are confused that a M5 Pro is better than M6 or a Core 288 is better than a Core 305 but they understand that last year's 7 series is better than this year's 3 series. The mistake is putting the generation up front when the tier is more important.
zooko🛡🦓🦓🦓 ⓩ retweeted
Excited to announce my new company: @OffworldPrivacy
We take private crypto assets, like @Zcash , and put them in private DeFi on @HeliusPrivacy and @aztecnetwork
First products: trust-minimized shielded Zcash bridge and private lending protocols
DM for the investment memo
zooko🛡🦓🦓🦓 ⓩ retweeted
If you're the subset of Utilitarian that believes score aggregates should respect individual preferences, here's mine:
My Util score is whichever input to aggregation produces an aggregate score of -∞ for any world where people decided how to act by aggregating Utils. 😉
zooko🛡🦓🦓🦓 ⓩ retweeted
Reality of our days:
1. I am sitting on a set of vulns (4+) that allows me to remotely take over a consumer home automation device I have (3+ diff ways).
2. The vendor doesn't only serve consumers, but also critical infra (announced partnerships include pharma manufacturing plants, airport logistics, hospitals, etc) across various locations in Europe and the US (not the same product line, ofc, so maybe moot).
3. Claude and Astra refuse to help me explore even my own device, so now I'm using Chinese hosted models for investigating.
4. The vendor (with a revenue of $0.75B) does not maintain any security disclosure practice whatsoever, nor does respond to emails.
So, to recap, I need to outsource vulnerability hunting of (potentially, I don't know) critical western infrastructure to Chinese models, because the western models refuse; and the vendor doesn't give a shit. Fun timeline.
PS: The vendor is Swiss.
zooko🛡🦓🦓🦓 ⓩ retweeted
We have another addition to the Shielded Labs team! Michael Guima (@michael2xl) is joining as our Community Lead. He’ll help us build stronger connections with the Zcash community and keep people informed about our work. He’ll also develop educational resources and documentation that explain the technology behind our projects and make Zcash governance easier to understand and follow.
Michael leads @zcashbrazil, where he has built a team whose contributions span education, software development, design, and community building. They publish news and tutorials in Portuguese, organize events such as Zcon Vozes, and represent Zcash at Brazil’s major crypto events. They created the Zcash Global Discord, a central gathering place for the Zcash community. They also helped launch ZecHub DAO and advise new communities as they get started. Under his leadership, the team has developed and continues to maintain more than ten open-source products. These include the first Zcash faucet on mainnet, ZebraPi—the first plug-and-play Zebra node—and LiveZEC, which lets livestreamers receive ZEC donations. Much of their work serves the wider Zcash community, well beyond Brazil.
Michael also developed @openzcash, a community resource that brings together information about Zcash and presents it in a clear and useful format. It lets people explore how grants are funded and paid, follow governance proposals, and review voting results, with links to the underlying sources. I’ve been especially impressed by the depth of the data and the thought he’s put into presenting it. It’s a strong example of his ability to turn complex information into something the community can easily explore and use.
I’ve long admired Michael’s contributions to Zcash and often interacted with him during my time on Zcash Community Grants. The energy he brings to his work and how much his team accomplished always stood out to me. Under his leadership, Zcash Brazil has become a model for other regional Zcash communities.
Michael will continue to lead Zcash Brazil in a more limited capacity as he takes on his role at Shielded Labs. I’m looking forward to working closely with him and seeing what we can build together.
Please join me in welcoming Michael to Shielded Labs!
zooko🛡🦓🦓🦓 ⓩ retweeted
Thank you Jason, for the opportunity, for the trust and for the kind words. Thank you Zooko, Mark, Nate and everyone at @ShieldedLabs for the warm welcome.
To the Zcash community, to my team at @zcashbrazil who built all of this with me, and to everyone who has been part of this journey: none of this happens alone.
AI is changing how everything gets built, distributed and adopted. I believe the next narrative will ask for union. Independent teams, different cultures, different paths, but together, because ZEC is unique.
Shielded Labs live the mission every day, and it's a great honor to be part of this team.
Let's stay united. The work continues.
We have another addition to the Shielded Labs team! Michael Guima (@michael2xl) is joining as our Community Lead. He’ll help us build stronger connections with the Zcash community and keep people informed about our work. He’ll also develop educational resources and documentation that explain the technology behind our projects and make Zcash governance easier to understand and follow.
Michael leads @zcashbrazil, where he has built a team whose contributions span education, software development, design, and community building. They publish news and tutorials in Portuguese, organize events such as Zcon Vozes, and represent Zcash at Brazil’s major crypto events. They created the Zcash Global Discord, a central gathering place for the Zcash community. They also helped launch ZecHub DAO and advise new communities as they get started. Under his leadership, the team has developed and continues to maintain more than ten open-source products. These include the first Zcash faucet on mainnet, ZebraPi—the first plug-and-play Zebra node—and LiveZEC, which lets livestreamers receive ZEC donations. Much of their work serves the wider Zcash community, well beyond Brazil.
Michael also developed @openzcash, a community resource that brings together information about Zcash and presents it in a clear and useful format. It lets people explore how grants are funded and paid, follow governance proposals, and review voting results, with links to the underlying sources. I’ve been especially impressed by the depth of the data and the thought he’s put into presenting it. It’s a strong example of his ability to turn complex information into something the community can easily explore and use.
I’ve long admired Michael’s contributions to Zcash and often interacted with him during my time on Zcash Community Grants. The energy he brings to his work and how much his team accomplished always stood out to me. Under his leadership, Zcash Brazil has become a model for other regional Zcash communities.
Michael will continue to lead Zcash Brazil in a more limited capacity as he takes on his role at Shielded Labs. I’m looking forward to working closely with him and seeing what we can build together.
Please join me in welcoming Michael to Shielded Labs!
Huh. I just received a large number of new messages in my twitter/x DM's that say they were sent weeks ago, but I'm pretty sure they weren't there yesterday. Looking at them, it seems like people wrote them to me weeks ago. 🤔
zooko🛡🦓🦓🦓 ⓩ retweeted
cast another spell and we drop to almost 98 bits flat on 🧙♂️ 39 rounds, smashing!
@cyberaxe @FutureDies @FrostForger @zooko
Did we push round 39 SHA256 collision attack below 100 bits? Yes we did.
Kudos to @cyberaxe for the method that cut 15 bits at once and @FrostForger for optimisations!
zooko🛡🦓🦓🦓 ⓩ retweeted
There desperately needs to be a punctuation mark like quotes but that signifies a paraphrase.
Oh boy! This sounds awesome! (Haven’t tried it yet.) Rust is the best programming language for AIs because of the safety orientation and tooling, but the long compile times are a big limitation. This appears set to eliminate that friction!
github.com/indexable-inc/bla…
Update: I asked my AIgents to try it, and they weren't able to get either the stable release or the unstable v2 release to compile anything faster than cargo/rustc does. 🤔 github.com/indexable-inc/bla…
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