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Post-quantum cryptography & quantum computing

Bergabung Temmuz 2025
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PQ Slate
PQ Slate@PQSlate·
@drakefjustin With everything going on at the EF, a PQ Ethereum by 2029, to say it nicely....that's optimistic.
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Justin Drake
Justin Drake@drakefjustin·
Today a crazy quantum story just got wilder. On March 31, the Google Quantum AI team published a landmark result on Shor's algorithm for elliptic curve cryptography. Technically, the paper was a bombshell: a dramatic 10x improvement over the state-of-the-art. As a stunt and wakeup call to the blockchain space, those optimisations were illustrated on secp256k1, the elliptic curve underlying Bitcoin and Ethereum signatures. But perhaps the most striking part of the paper was sociological, not technical. Instead of following standard academic process, the optimisations were kept secret, hidden behind a zero-knowledge (ZK) proof. Google's accompanying blog post mentions they "engaged with the U.S. government". The ZK proof demonstrates the existence of algorithmic improvements without leaking details. Academic censorship with ZK, a historic first! As a co-author of the Google paper I witnessed some of the context surrounding this censorship. To be honest, multiple aspects of that context don't sit well with me. As much as I believe the general public ought to know more, I am limited in my ability to whistleblow. Though let me be clear about one thing: the Google team's professionalism has been absolutely exemplary, and they deserve nothing but praise. Censorship has a way of backfiring. The Streisand effect, where an attempt to bury something only draws more attention to it, is exactly what's unfolding today. First, Google's key optimisation has been rediscovered by the French. And in a thrilling turn of events, a collaborative Shor-at-home challenge just launched. The initiative, available at ecdsa[.]fail, breached a new Shor world record in a matter of hours. Let's start with the rediscovery. Just two months after Google's paper, French quantum expert André Schrottenloher cracks the main secret optimisation. His paper, titled "Optimized Point Addition Circuits for Elliptic Curve Discrete Logarithms", landed on the arXiv today. Big congrats to André, who beat several other nerdsnipped experts to it. In a blog post also published today, Craig Gidney, the world expert on Shor optimisations, revealed that he'd been sitting on this very optimisation for a whole year under censorship pressure. Interestingly, André missed a handful of minor optimisations, both from Google's original publication and from improvements found since. It's plausible there's still plenty of juice left to squeeze out of Shor, and this is exactly what the ecdsa[.]fail challenge is about. The verifier program developed for the ZK proof does double duty, automatically filtering for valid submissions. Dozens of compounding small and micro improvements are rolling in. As of the time of writing there's an 8.4% improvement to Google's circuit, as measured by the product of logical qubit count and Toffoli gate count. Nice! The nerdsnipping ran deeper than anyone expected. Over the last few weeks it became clear it extended well beyond André and other quantum experts. Behind the scenes, a small army of amateurs quietly got to work. Inspired by Karpathy-style autoresearch, they turned AI on Shor. Ironically, the verifier program for the ZK proof makes an ideal reward function for AIs. The barrier to entry for this modern style of research is refreshingly low, with several non-experts, even a teenager, finding nice optimisations. Get in touch if you'd like to join a Telegram group with fellow autoresearchers :) Part 2: neutral atoms and qday The story doesn't end with Google. On the same day Google went public, a stealthy startup called Oratomic published its own Shor paper in a coordinated release. It made a splash, ultimately becoming the most upvoted paper on scirate[.]com, a website ranking arXiv papers. Oratomic's claim was wild. By building on Google's logical optimisations and applying custom physical optimisations for neutral atoms, they claimed just 10K physical qubits were sufficient to run Shor's algorithm on secp256k1. That number is mind-bogglingly low. Knowing essentially nothing about neutral atoms when Oratomic's paper landed, I was intrigued and decided to learn more about the tech. I fell straight down the rabbit hole and spent a couple hundred hours on the topic. I got a little obsessed and watched every YouTube video I could find and spoke to a bunch of experts. My conclusion? The tech is real, very real. Even Google recently decided to start a neutral atom lab, a notable pivot from their sole focus on superconducting qubits. If you care about qday, i.e. the day a quantum computer will break the first piece of cryptography in production, neutral atoms demand your attention. I shared some of my learnings on Shor and neutral atoms in a 30min talk at the ZKProof cryptography conference. You can find it on YouTube by searching "zkproof neutral atom". Here's an interesting observation about this duo of breakthrough papers: neither Google nor Oratomic say a word about what their results mean for qday. No timelines. Zero. Nada. That is especially baffling given that the whole point of whitehat quantum cryptanalysis is to inform qday estimations and help the general public make good decisions. So let me attempt to partially fill the silence, similarly to what Scott Aaronson did in his April 29 post. Given everything I know, including scary non-public information, I now put the odds of qday by 2032 at 50%. 10% by 2030. Anecdotally, the US government has its own date: 2035. Originating at the NSA and later adopted by NIST, it's when branches of the US government will be disallowed from using quantum-vulnerable cryptography. In plain language: with hindsight, that date is a joke and should be discounted entirely. I don't see how NIST avoids being forced to pull it forward by years. Part 3: post-quantum cryptography There are good reasons to sound the alarm today, but please do not panic. Rushing carelessly towards immature post-quantum cryptography is a recipe for disaster. IMO a good target date for migration is 2029, roughly 3.5 years out. 2029 happens to be the date selected by Google, Cloudflare, and the Ethereum Foundation. These days most of my time goes to safely migrating Ethereum towards post-quantum cryptography as part of the broader lean Ethereum effort. There's a lot to do. We need to rip out and replace BLS signatures at the consensus layer, KZG commitments at the data layer, and ECDSA signatures at the execution layer. The plan to get there is compelling, and is based on hash-based cryptography. Within the Ethereum Foundation we've developed a Swiss army knife called leanVM (github[.]com/leanEthereum/leanVM) powered by the magic of hash-based SNARKs. Thanks to truly exceptional work by Emile, Thomas, and others, its performance is derisked. Regarding security, leanVM is a jewel, a minimal zkVM crafted for end-to-end formal verification and maximum security. Want to help? There are two $1M initiatives. First, the Proximity Prize (proximityprize[.]org). Solve a long-standing mathematical conjecture in coding theory, improve hash-based SNARKs, and go home a millionaire. Second, the Poseidon Initiative (poseidon-initiative[.]info), offers $1M for breaking Poseidon, the SNARK-friendly hash function.
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PQ Slate
PQ Slate@PQSlate·
@EliBenSasson The shift from keeping things under wraps to publishing openly is significant.
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Eli Ben-Sasson | Starknet.io
My turn to call out quantum FUD. The new “we improved on Google’s Bitcoin-breaking quantum circuit” story is, in my view, a nothingburger. Roughly: Google obscured details of a particular circuit. Researchers reverse-engineered it and found a more efficient way to describe/optimize that circuit. Interesting? Sure. Does it change the big picture for Bitcoin, Ethereum, or cryptographic signatures? No. The question that matters is not “can we shave down circuit size again?” We’ve seen those estimates improve for years. The question that matters is whether anyone can build a machine with 1,000+ reliable logical qubits and run it at scale. This is not that news. Not today.
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PQ Slate
PQ Slate@PQSlate·
New paper basically matched the recent Google circuit that slashed ECC quantum resources for Shor's algorithm, plus an extra 6.5-10% gate reduction. No zk-proof concealing the circuit this time. Out there for the world to see. #Quantum #Crypto #PQC arxiv.org/abs/2606.02235
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PQ Slate
PQ Slate@PQSlate·
@EliBenSasson It's always been cycles. Imagine spiraling debt, high inflation, AI surveillance, and debanking. The case for crypto hasn't changed. If anything, it's only getting stronger. The future of crypto is sovereign, decentralized, and PQ secure.
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Eli Ben-Sasson | Starknet.io
Generally speaking, crypto seems to be going through an identity crisis. On the one hand, several long-time OGs have left, and on the other, we're finally seeing some love from institutions and TradFi, which is everything crypto has rebelled against. It's challenging crypto's core narrative.
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PQ Slate
PQ Slate@PQSlate·
@scottmelker @YahooFinance Stablecoins are just the first wave of RWAs. Once commodities and hard assets are tokenized, they will directly compete with fiat for settlement. Crypto isn't just upgrading the dollar's rails, it's bringing competition to money itself. It's just the beginning of the story.
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PQ Slate
PQ Slate@PQSlate·
The case for crypto hasn't changed. If anything, it's only getting stronger. The future of crypto is sovereign, decentralized, and PQ secure.
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PQ Slate
PQ Slate@PQSlate·
Everyone’s blinded by the AI hype today. But imagine spiraling debt, high inflation, heavy financial surveillance, and debanking. CROPS for the entire crypto ecosystem sounds pretty good at that point. It’s all cycles and capital will rotate.
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PQ Slate
PQ Slate@PQSlate·
@arc If you want true, sovereign, decentralized PQC protection, then the answer is $QRL.
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Arc
Arc@arc·
Quantum computing introduces long-term risk for digital infrastructure, from wallet signatures to validator integrity and more. Circle’s post-quantum whitepaper explores Arc’s phased approach to resilience across: → USDC → Smart contracts → Validators → Infrastructure systems Planning for long-term security and institutional adoption. arc.io/post-quantum-w…
Arc tweet media
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PQ Slate
PQ Slate@PQSlate·
A warning from @CreusMoreira targeting Q-Day between 2028/2030. Networks are sitting ducks. Hardware requires a chip overhaul from $LAES. While cryptocurrency infrastructure scrambles to migrate, native PQC networks like $QRL are already there. #Qday youtube.com/watch?v=cnC-SR…
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PQ Slate
PQ Slate@PQSlate·
Massive move from $IBM. Their $10B quantum roadmap and new CHIPS foundry target a fault-tolerant system by 2029. As hardware advances, legacy encryption is on a timer. The ultimate race for crypto right now is migrating to native PQC.
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PQ Slate
PQ Slate@PQSlate·
@wmougayar Not how competition and free markets work.
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William Mougayar
William Mougayar@wmougayar·
If BTC is digital gold, and ETH is the largest smart contract platform, these spots are untouchable, so stop fighting them. When they sneeze, everyone else chokes. Let these alphas lead, and the rest will follow.
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PQ Slate
PQ Slate@PQSlate·
@aliomerhorzum @pinedegen The utility is the product. Price is simply what the market attributes to the value created by that utility and demand.
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PQ Slate
PQ Slate@PQSlate·
@sodofi_ CROPS isn't just an Ethereum thing. All of crypto should rally around these principles. The alternative? Centralized DLTs run by CEOs. Crypto basically reduced to tech stocks.
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sophia
sophia@sodofi_·
i’ll be honest. when the EF mandate was introduced i didn’t fully get it i’m a devrel. i’m used to building vibey ai slop apps that go viral on the timeline. and building apps that fully embody censorship resistance, privacy and security is much harder. i grew up in the bay area, went to stanford, and now live in sf. the tech culture here is so hyperfocused on growth at all costs. i believe most people have good intentions. but i also know that building with intention takes effort. and when the sole focus is number go up, intention is the first thing that gets forgotten all of that to say, to me, the mandate was a reminder of what actually matters. building technology is a superpower. a power we shouldn’t take lightly. we each have a responsibility to build with intention. and yes, that might take more effort. but a little extra effort now compounds. and our future generations will thank us for it.
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PQ Slate
PQ Slate@PQSlate·
Imagine AI systems weaponized against the public then being debanked for a low social credit score. CROPS isn't just an Ethereum thing. All of crypto should rally around these principles. The alternative? Centralized DLTs run by CEOs. Crypto basically reduced to tech stocks.
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PQ Slate
PQ Slate@PQSlate·
@rosarioborgesi CROPS is crucial, but economics clearly play a role as well. A little pragmatism goes a long way.
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PQ Slate
PQ Slate@PQSlate·
@scottmelker @YahooFinance What are chains willing to sacrifice to be "faster and cheaper"? Censorship resistant, open source, private, and secure basically sums up what makes crypto valuable in the first place. Abandon it and crypto is reduced to DLT's with a CEO. No thanks to that version.
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PQ Slate
PQ Slate@PQSlate·
@MastrXYZ Filtering through the noise and staying focused. My feed is a dumpster fire of distraction.
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MASTR
MASTR@MastrXYZ·
I want to understand how people really feel in this space. What is your biggest challenge here? Finding real people? Filtering noise? Avoiding scams? Staying consistent? Building trust? Keeping your sanity? Getting reach without selling your soul? Staying human in a market that often rewards the opposite? Feel free to add your own point or comment below.
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PQ Slate
PQ Slate@PQSlate·
@Cointelegraph So the great crypto experiment ends with banks making more money and tracking us better at the same time....clearly this is what crypto set out to do. It's about time for crypto to go back to its roots.
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Cointelegraph
Cointelegraph@Cointelegraph·
⚡️ JUST IN: McKinsey sees a $4 trillion shift toward a three-layer onchain monetary system built on stablecoins, tokenized bank deposits, and central bank money.
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PQ Slate
PQ Slate@PQSlate·
@chillerid76 The best part of QRL? It's migrating to PoS. QRL 2.0 has a QRVM with smart contracts. Currently being audited by Trail of Bits. No messy migrations or freezing vulnerable assets. More than a hedge, it's the solid ground to build for quantum uncertainty.
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ChillerID | Ω
ChillerID | Ω@chillerid76·
How does Quantum Resistant Ledger $QRL compare to major quantum companies? It seems that Google’s Willow quantum chip announcement in December 2024 kicked off a strong new quantum cycle. $IONQ $QBTS $RGTI
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PQ Slate
PQ Slate@PQSlate·
@hosseeb Terrible analogy. If anything they seem to be taking a Linux approach.
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Haseeb >|<
Haseeb >|<@hosseeb·
Ethereum is the Microsoft of crypto.
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