Lukas Helminger
@luhelminger
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CEO @TACEO_IO // Prev. cryptography researcher @tugraz
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Pinned Tweet
Both MPC and ZK foundations were layed in the 1980s. Each of them is extremely powerful on its one. Together they are unbeatable.
Long were both conceived as too complex and slow to have real world impact. And now we’re at a point were we can even combine both in a practicable
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Research and Engineering week at
@a16zcrypto
CSX is a wrap. Some personal takeaways:
- Even though we can’t apply the same zkVM architecture and techniques 1:1 to MPC(zk)VM, there’s a lot to learn from the process of building Jolt.
- Educating engineers about the opportunities
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‘riscMPC - General-Purpose MPC from RISC-V Assembly.’
Huge congrats to Fabian, our newest dev team member, for nailing his master thesis exam! 🎉 Already making an impact at
@TACEO_IO
- glad to have you on board! 🚀
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As a teen, I dreamed of being a pro athlete. I didn’t make it, but the journey taught me something important: to grow, you need to train with the best. The right environment pushes you further than you can go alone. That’s why I’m thrilled to join
@a16zcrypto
's Crypto Startup
I’m excited to announce the 21 startups we’ve selected to join our Crypto Startup Accelerator (CSX) Fall 2024 cohort, which starts this week.
Over the next 8 weeks, they’ll get firsthand lessons from top crypto founders, receive guidance and support from
@a16zcrypto
’s investing
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Infra Week at
@a16zcrypto
CSX:
Feeling bullish on zk smart contract networks Aleo & Aztec. 🚀
@AleoHQ
just launched mainnet & went straight from Token to Infra day - had great talks on private shared state, coSNARKs & Leo with
@1HowardWu
and Pranav.
As for
@aztecnetwork
, you
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Thanks,
@barrywhitehat
, for the incredible work at
@PrivacyScaling
. Your ‘MPC is for lovers’ talk was a real game-changer. At a time when few were discussing the limits of ZK and the opportunities of combining it with MPC, it helped keep me and the team focused and convicted.
Having learned so much over the years from
@PrivacyScaling
and
@barrywhitehat
’s writings, there’s a mix of melancholy, nostalgia, and hope for the future in reading this — wish everyone the best 🥺
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Working with the
@worldcoinfnd
team for over several months, I can assure you it’s hard to find a team more dedicated to deploying programmable crypto for privacy and decentralization. MPC, as a field, will benefit from the immense effort going into MPC research and deployment,
Despite all the baseless discussion to the contrary, I suspect
@worldcoin
is going to be one of the largest companies pushing privacy technologies (ZK, MPC) at massive scale.
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Met with
@viv_boop
today. He and his team built the best UX I’ve seen for any MPC-based product. A user-first approach like this is rare in apps using MPC, ZK, and FHE. If you care about programmable cryptography adoption, you should definitely follow him and the
@cursive_team
.
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Inspried by
@fede_intern
:
Here is my EthCC to do list:
- Meet friends form
@worldcoinfnd
,
@nil_foundation
,
@aztecnetwork
, and
@PrivacyScaling
- Spread the word about our guessing game based on co-SNARKs
- Demo
@TACEO_IO
co-SNARKs tooling for the first time
- meet cool new
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If you’re looking to speed up proof generation and don’t care about the zk part (i.e., witness is public), coSNARKs aren’t the right fit.
They’re designed for cases with private shared state or private proof delegation. That’s where they really deliver.
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Just proved Poseidon with our collaborative SNARKs tooling.
It's now ready for the pre-access alpha release. Can't wait for feedback.
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🚀 Big News! 🚀
We’re thrilled to announce that
@aisconnolly
has joined
@TACEO_IO
as our Head of Privacy! 🎉
🔑 Ais is a visionary in decentralized tech, dedicated to ensuring autonomy, dignity, and freedom in the digital world. With a strong technical background and deep
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Finally, after 20 years of watching football on TV from Austria, I’m at a game. Let’s go Giants!
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I never really thought about why they call it an ‘accelerator’ at
@a16zcrypto
CSX, but now, in week 6 of 8, it makes total sense.
Each week, we dive deep into something critical—Product Market Fit, Research & Engineering, GTM & Fundraising, and now Marketing & Community. You’ve
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ZK ➡️ scalability
ZK-ZK ➡️ private state
ZK-ZK-MPC ➡️ shared private state
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3 big zk privacy players under one roof (next to the 🐂).
1h gets you up to speed on all of them.
Privacy is a requirement for mass adoption. Thanks for pushing
@AleoHQ
@aztecnetwork
@0xPolygonEco
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Scaling was the main theme at the
@worldcoin
event, and for us, it means pushing MPC Iris Uniqueness Checks even further. It’s crazy to think we can scale this even more – but that’s what makes working with the
@worldcoinfnd
team so exciting. A year ago, we never imagined
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Most web2 apps (Uber, Netflix, etc.) compute on private shared state by acting as a trusted third party. In web3, there’s no infra for this yet - limiting app design.
SNARKs won’t solve this alone, but coSNARKs will enable computation on private shared state without a
Privacy Paradox:
web3 promises to decentralize power and give back data ownership to users.
But if we'd switch from web2 to web3 overnight, we'd end up in chaos.
Here‘s a mental model how to think about it:
(h/t
@luhelminger
,
@aisconnolly
)
/1
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Most intense week yet at
@a16zcrypto
CSX—covered everything from fundraising & pitching to GTM, dealmaking, demo day best practices, and progressive decentralization. Next week’s an ‘off’ week, perfect for some focused strategy work on
@TACEO_IO
’s most pressing topics.
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The research into MPC Lookup Tables is getting more attention.
Just out MAESTRO, which focuses on the non-linear S-box part of AES.
In the popular replicated secret sharing setup it achieves at least an improvement 25% in throughput (up to 450% in a high latency network).
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This was such a great opportunity which I thoroughly enjoyed. If you're curious about coSNARKS and the origins of
@taceo_io
this is a good place to get up to speed.
Thanks
@annarrose
and
@nico_mnbl
for having us on!
This week,
@luhelminger
and I had the honor to join
@AnnaRRose
and
@nico_mnbl
on the Zero Knowledge podcast to talk about coSNARKs, the
@TACEO_IO
origins, and privacy-preserving tech in general.
ty
@zeroknowledgefm
for such a great experience!
Ep is here:
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Just attended “The Future of Digital Entity” by
@DCbuild3r
at
@EthPrague
- an incredible talk on the necessity of data ownership & its realization through Programmable Cryptography (ZK, FHE, MPC, TEE). Highly recommend it!
Check his blog:
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Big fan of what
@aztecnetwork
has accomplished so far! They're one of the few brave enough to tackle the big challenges in web3, pushing for true privacy and decentralization. Excited to see their roadmap to mainnet unfold and pave the way for a trustless, permissionless future!
1/ Aztec is committed to bringing privacy and decentralization together.
Imagine a world where developers can write programs that protect user data but take full advantage of a trustless, permissionless system.
That’s where we’re headed, and this product roadmap is how we’ll
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I finally know how to explain private shared state at the CSX Demo Day. But I guess I have to get the visuals approved first 😬
Private shared state is the cryptographers equivalent of a threesome.
If you can give Bob and Alice what they want — apply below.
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This week:
- Moving into new office!
- Welcoming a new dev who loves:
- ☑️ MPC
- ☑️ Rust
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I see zkTLS / zkEmail as a vampire attack on web2 data. Fully deserved.
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2 Reasons for private proof delegation:
1. ZK proof generation often exceeds the RAM capacity of client devices, especially on mobile.
2. Including ZK libraries in a mobile app can bloat the package size, making it impractical.
The need for private proof delegation arises when a single entity can't or shouldn't handle sensitive data alone.
This could be due to resource constraints (e.g., mobile devices) or security concerns. Co-SNARKs allow the proof generation to be distributed across multiple parties
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Watching
@AriannaSimpson
for 1.5h giving feedback to pitches to the
@a16zcrypto
CSX cohort was so valuable. Better than any presentation or video on pitching.
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Totally agree—co-SNARKs in TEEs are the best option if you have to outsource zkp generation while keeping your witness private.
The market demand is strong, and I wouldn’t be surprised if we see a co-SNARKs in TEE deployed soon.
This will really open up the design space for
i think there's a high chance the future of ZK proving is collaborative SNARK generation inside of multiple TEEs.
combining secret sharing security with TEE security feels unbeatable from privacy/UX/DevX axes. 🧵
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If you want to know what MPC encrypted computer looks like on an industry scale use case watch this talk.
As a teaser you can watch
@recmo
’s talk at ethcc
DeCompute 2024 is pleased to announce
@recmo
as a speaker on SMPC for Biometrics.
Remco will share insights from research and design endeavors that went at
@worldcoin
to enable biometric template protection and secure deletion of Worldcoin’s previous iris code system.
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Why MPC and Noir is a good fit:
1.
@NoirLang
is lowered to ACIR, an intermediate representation that consists of 7 opcodes (making the evaluation of it rather simple) and is backend agnostic. ACIR can be used as an entry point, greatly reducing complexity as one can reuse the
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@cryptobuilder_
As an old habit I follow but this isn’t focused on ZK and MPC only and only contains research papers.
For ZK, there are nice resources like
from
@__zkhack__
and
@zeroknowledgefm
from
@zksecurityXYZ
For
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LFG
📢 Noir v0.31.0 is now live!
Learn and start building with the newest version of Noir today 🧑💻
Expand the next Tweet for release highlights and links 👇
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Reach out to get an invite to discuss coSNARKs and PETs in NYC.
We're looking forward to talk about producing collaborative SNARKs on private shared state, amongst other things.
Also, fitting that the full state of this event is not shared, and that interested attendees should collaborate with the team to attend 🔥
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co-SNARKs enable computation on multiple private shared states without an intermediary. Excited to demo co-SNARKs with this fun guessing game and even more thrilled about what devs will build with these new capabilities!
If you're at
#Ethcc2024
and want to chat about co-SNARKs,
1/3 🚀 Join TACEO's Max Pick Challenge! 🚀
Submit a number between 1 & 1000 for a chance to win up to $1,000 in ETH! 💰The highest unique guess wins. Your strategy is protected by co-SNARKs (MPC🤝ZK), ensuring privacy and fairness.
Take your shot now 🌟
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‘Don’t buy your own zk hardware if you have a wife and like her.’
just one highlight of this entertaining panel delivered by
@EmiT87
,
@zpedrongmi
, Martin (
@ZircuitL2
) and moderated by
@TiborTribus
@EthPrague
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OH: Among ZKP, FHE, MPC, TEEs - MPC is the strongest decentralization force.
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@gakonst
@NoirLang
@Zac_Aztec
A lot of people started playing around with Noir in the last couple of weeks. There is certainly momentum.
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Can’t believe it’s been 5 years since that guest lecture at
@IAIK_tugraz
where
@aisconnolly
showed me how critical cryptography and privacy are in today’s society 🌐.
That day sparked my research and led me to
@TACEO_IO
. She's been with us from the start!
Super pumped to finally
Taking vacation in web3 means going to visit your crypto friends at
@TACEO_IO
. Not sure which is more impressive, the MPC or their coffee implementation 👀
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I'm incredibly proud of the work the
@TACEO_IO
team has done to deliver on this pioneering use case for MPC and encrypted compute.
We've been working hard alongside
@worldcoinfnd
these past months to push data privacy and security.
Today, using advanced cryptography like
Exciting progress in real-world MPC! Together with
@worldcoinfnd
, we have elevated biometric security to a new dimension. Our collaboration ensures that biometric data remains secure leveraging MPC for Machine Learning. Stay tuned for more breakthroughs coming soon!
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Congrats. This is really great work. Breaking down the computational framework into independent, mediated, and global stages is extremely helpful.
We've been grinding on a general-purpose tooling for the mediated stage using collaborative SNARKs (MPC+ZK). Dropping it at EthCC
🎙️This week,
@AnnaRRose
+
@GuilleAngeris
chat with
@therealyingtong
+
@bryan_gillespie
about their latest work ‘SoK: Programmable Privacy in Distributed Systems’. They explore the classifications + frameworks being introduced plus much more.
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Had a blast during our session with
@ModulusLabs
! TL;DR
- zkML: Protects my eyeballs
- MPC: Safeguards my iris codes
Today, these solutions are used sequentially. Both required significant research and engineering to reduce overhead, making them viable for such a large scale
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After an intense week at Science of Blockchain I needed to sleep a lot and then touch grass.
Thanks
@a16zcrypto
for my new cap.
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If you think creating representative benchmarks for ZK is hard, then don't even start thinking about MPC. The addition of network dynamics introduces a whole new level of complexity that could be debated endlessly.
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Most folks think GDPR is all about data privacy, but it's also about free data movement. These goals often clash, but we don't have to pick one over the other.
Thanks to programmable cryptography (ZK, MPC, FHE), we can have both.
These techniques let us protect sensitive info
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First collaborative SNARKs in testnet I guess. Huge congrats to the whole team. This is just the beginning for collaborative SNARKs. LFG!
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SNARKs ➡️ scalability
ZK-SNARKs ➡️ private state
coSNARKs ➡️ shared private state
We’ve had a busy few weeks, and it’s about to get a lot more crazy 👀
We've had many conversations and wanted to share some of the burning questions we’ve been getting about coSNARKs;
what are the main uses, do we have some benchmarks, how technical does one have to be to play
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Hands-on workshop for coSNARKs. Make sure to bring your laptops.
We're deep into preparations for joining
@zeroknowledgefm
in Lisbon for ZKSummit 12!
Join Franco on October 8th at 2pm for his workshop "Discover coSNARKs: Circom & Noir meet MPC"
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A bumper that I missed this fantastic session on Programmable Crypto by
@therealyingtong
from
@__geometrydev__
and
@BenarrochDaniel
from
@InversedTech
at
@zkproof
6 this week.
Good news we're already working on the future work section (last slide). Soon, we'll have
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Why MPC and Worldcoin? 🤔
What is MPC, and how does it work?
I’ll be covering this in the
@encodeclub
x
@worldcoinfnd
Educate Series.
Starting in 3 hours. Register here
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Global Private State vs. Private Shared State:
🔄 Consistent vs. ⏳ Ephemeral
👥 Millions of users vs. 👤handful to dozens
🛠️ Examples: Worldcoin's MPC Uniqueness Check vs. Renegades' Dark Pool ZK-MPC Matching
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Highly recommend this podcast and following
@_ArnaudS_
– such a unique and eloquent thinker in the space.
Had a really fun time chatting with
@AnnaRRose
and
@nico_mnbl
on the
@zeroknowledgefm
about programmable cryptography, trust infrastructure, and what I hope crypto becomes!
Episode is here:
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What needs to be done in MPC for coSNARKs? Been getting this question a lot lately:
- Extended Witness Gen: Optional
- Proof Gen: Always
- Verification: Never
CoSNARKs: Which bits are MPC and which are ZK?
CoSNARKs combine characteristics of multiparty computation and zero knowledge proofs to allow collaborative, privacy-preserving computation.
We keep getting the question: what does it mean to do ZK in MPC? 🤔Let's see⤵️
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Looks like this is gonna be our new office! 🏢 I love the pre-WWI buildings (ours is 230 years old) with their beautiful doors, wooden floors, and room heights over 3m. 🤞🤞
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Congrats to everyone who ever worked on Aztec. The space needs this infra badly!
Devnet is now live! 🎉
To celebrate, we’re launching Alpha Build, a series of three developer sprints with a USD $100,000 prize pool and the opportunity to deploy on the Aztec Network for the first time.
Learn more and get involved ⤵️
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Couldn't agree more with
@Pememoni
on the future of encrypted compute.
I think although there is no one-size-fits-all solution, we have to build something like a compute layer security protocol (CLS). This CLS would make blockchain computation encrypted by default. Under the
It's almost simple:
ZK doesn't work if you need to combine private inputs (only good for verification, proving something about some data/computation in your hand), even though we have great progress, it's still very slow, and not easy for developers to use.
MPC is not a
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Incredible! Huge congrats 🙌
MPC and ZK, enables decentralized trading without leaking any information whatsoever.
Renegade, the first on-chain dark pool, is live on Arbitrum.
Fully-private trading with zero MEV, slippage, or price impact.
Dark pools account for nearly half of the TradFi market, and Renegade unlocks dark pools for DeFi —
Here's how Renegade works 🧵
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The interactive roadmap is 🔥 One thing that stood out was how hard it was for Aztec to start building in public. We’ve been going through a similar shift lately, and it’s scary to put stuff out when you don’t have all the answers. But seeing how well
@aztecnetwork
is perceived
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I guess having such high quality events happing throughout the year is one reason why people call NYC the crypto capital.
🙏
@kai_geffen
for organizing this one!
We're excited for
@luhelminger
to present coSNARKs tomorrow at the ZK Dive, amidst a super nice program!
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Reflecting on my journey, it’s been 2 years since I published a paper on the potential of MPC in the context of GDPR. I've seen my theoretical insights evolve into practical solutions, and I've become part of what has the potential to become the largest MPC use case. From theory
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Even before the launch of Ethereum Vitalik talked about the need for private shared state.
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Why I'm bullish on TACEO? It's not just about coSNARKs, MPC, or the tech debate around TEEs vs. FHE. It's about the team. Honestly, I didn’t realize how special this team is because it’s always felt normal. But most of us have worked together long before
@TACEO_IO
, and now I
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2.5 hours of ‘Tokencraft with Eddy’ this week reinforced that overcoming the big technical challenges for TACEO is only part of the puzzle, and nailing this aspect is key. It’s not always clear that tokencraft covers everything from product-market fit and unique value
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This is a 2FOR1 offer:
- Learning about zkML from THE zkML team
@ModulusLabs
- Learning about MPC beyond wallets, and how it protects (your) biometric data
✨ The fantastic trio
@luhelminger
(
@TACEO_IO
),
@nayr_oac
and
@realdanielshorr
(
@ModulusLabs
) are presenting advanced techniques of Zero-Knowledge Machine Learning and Multi-Party Computation!
Register:
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I’ve learned that explaining MPC is simpler when paired directly with ZK, even if it seems counterintuitive.
Plus, building upon the existing ZK stack not only fastracks the development of MPC tools & frameworks, but also makes adoption stupidly easy.
Best example
@_nam_nc
and
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Ever heard of ‘honest majority with malicious security’ in MPC?
If you haven’t blinked twice at that, you’ve probably been deep in MPC papers. But for devs, this stuff isn’t exactly easy to digest. That’s why we’re thinking about building an MPC jargon decoder, kind of like the
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Big congrats to Franco for landing a speaking slot on coSNARKs at
#zkSummit
. Couldn’t be prouder. This is our third time with a different speaker each round—so much depth and talent in this team.
ZEE KAY TWELVE! 🥳
We're so excited for this event and the program is looking🔥
Watch out for Franco's workshop if you want to see what happens when Circom & Noir meet MPC.
If you want to see EVEN MORE about coSNARKs, we'll host our very first side event!
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Image verification is my goto example if I have to explain why we need ZK.
Kudos to
@zeroknowledgefm
for brining us together with the great folks from
@0xmayalabs
at the summit in Athens.
Can't wait what zkSummit 12 holds for us.
🧵1/5 Big news! TACEO is thrilled to announce a partnership with
@0xmayalabs
. Together, we’re set to transform the digital media landscape.
#MayaVerfied
#MayaProtocol
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Guy has such clarity when it comes to the ZK space, it’s awesome to hear his views on coSNARKs. Just when we think we’ve nailed something down, his questions push us to dig deeper and think even bigger. And yeah,
@guywuolletjr
still pitches TACEO better than I do 🙈 But by Demo
Scaling, interoperability, privacy — can they all be solved with ZK proofs?
Perhaps, but ZK proofs have one simple problem that usually goes unappreciated — they're incompatible with shared state
Let's dig in 🧵
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Super pumped about coNoir and private shared state—can’t wait to see the apps people build with it. Talked to so many folks who hit design issues because they didn’t have private shared state. This is your chance. It’s still early—a real frontier, bringing us back to the
Working with Private Shared State is essential to any feature-rich privacy application. We love to see
@NoirLang
offering support for exploration 🔥
We're one of the teams helping out with tooling, so if you're interested in building in the MPC <> ZK direction, check out our
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The trust-infra get together was kicked off by a talk about category theory, epistemology and theory of mind.
This week is going to be quite unique.
Kudos to
@0xjepsen
for making such a heady topic accessible.
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coSNARKs will kick off with private proof delegation, but the real endgame is enabling private shared state.
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Few things compare to the joy of reading a book outdoors. Life is gud.
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Kinda wild how many ZK folks haven't heard of collaborative SNARKs (coSNARKs). This isn't just a 2x upgrade; it's a 0 to 1 leap unlocking new use cases. Everyone I spoke with was hyped! 🚀💡
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What is the end-game for privacy infra?
@equilibrium_co
just dropped a banger blog post.
original, unopinionated, funny
It’s the best piece you can read about the MPC, FHE, ZKP, and TEEs landscape.
chapeau
@hammyx_
🎩
1/ Do All Roads Lead To MPC? 🚧
Part 2 of our privacy series explores the end game of programmable privacy infrastructure and argues that all paths ultimately fall back to the trust guarantees of MPC. Why? Summary below 🧵
✍️ Written by
@hammyx_
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Saturday: From chasing bugs to tackling a 10km Urban Spartan Race with 24 obstacles! 🏃♂️💪 It was challenging but incredibly fun, especially with the amazing
@TACEO_IO
team. Proud of our collective strength and determination!
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@maximvezenov
@NoirLang
@TACEO_IO
@vlayer_xyz
@blocksense_
I guess that means that roughly half of the CSX teams that are working on zk are building with
@NoirLang
Noir gud!
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Fully agree. Useful dApps need to manage private states. They must compute on multiple private states without acting as trusted third parties.
Meeting the Aztec folks at ETHCC and seeing their passion makes me more bullish on
@aztecnetwork
than ever.
I had a great time at ETHCC, but the best way to describe the vibe was stagnation.
Everyone is selling undifferentiated block space and nobody is buying because there's not a need for it.
And it makes me even more bullish on what we’re doing at
@aztecnetwork
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Switching gears from MPC to running a relay marathon with
@TACEO_IO
tonight! Let's see if we can outrun the unofficial world fastest cryptographer,
@benediktbuenz
! 🏃♂️💻
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A lot of folks were curious about the performance of collaborative SNARKs, especially for private proof delegation. Early benchmarks are in: our co-circom implementation is going head-to-head with snarkJS. With ongoing optimizations, we're optimistic about getting close to rapid
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The trifecta of data privacy & ownership:
Rest: AES
Transport: TLS (RSA/ECC)
Compute: CLS* (MPC+ZK)
*in development
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Great educational initiative from
@encodeclub
and
@worldcoinfnd
I’m excited to explain
- what MPC is,
- why it is the future of privacy infrastructure, and
- how it is used to handle biometric data in safest way possible.
🚨 Don’t forget—the Worldcoin Educate series is right around the corner!
We’ve got an amazing lineup:
@DCbuild3r
(
@worldcoinfnd
),
@luhelminger
(
@TACEO_IO
),
@nayr_oac
&
@realDanielShorr
(
@ModulusLabs
),
@DanGirsh
(
@worldcoin
), Tanguy Jeanneau, and
@0xPenryn
(
@tfh_technology
)!
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This paper is a huge collaborative effort. Kudos to everyone involved.
And glad to see our large scale MPC protocol mentioned as method to decrease risk by decentralising biometric information and compute.
Think you can tell if a social media account is a bot? What about as AI gets better?
A new paper—co-authored with researchers from ~20 orgs, & my OpenAI teammates Zoë Hitzig and David Schnurr—asks this question: What are AI-proof ways to tell who’s real online? (1/n)
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Going on a work trip to the US is something special to me. At my first job as a software engineer, I always dreamed of a job at Google or Apple in Silicon Valley. Never imagined that it could get even better—working on my own startup in an new era of computing.
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