Start Crypto Agility Now Before Quantum Day Arrives
⏳ Data stolen today will be cracked tomorrow. Post-Quantum Cryptography (PQC) isn't a "next year" problem—it’s a multi-year migration that starts now. I’m looking for "Crypto Agility" on the floor at #RSAC2026. Are you ready for the Q-Day countdown? https://t.co/6PIC4o7OmO #QuantumSecurity #Infosec #TechLeadership #RSAC #RSAC2026 #CIO
Government Claim to Crack RSA 2048 Raises Skepticism
If someone tells me on The Post-Quantum World that the government cracked RSA 2048, I will certainly have a followup question.

AI‑Driven Spin Qubit PhD in Barcelona – Apply by Feb 28
PhD grant (4 years) in Barcelona (ICN2/TCN) — AI-Driven Multiscale Modelling of Spin Qubits for Scalable Quantum Devices ~€2,575/month gross | International environment | Apply by 28 Feb 2026 (24:00 CEST) Apply: https://t.co/7CSc9tlGbO Project: https://t.co/CCEbaZFYMG https://t.co/vLapeXaeAe
QLDPC Cuts RSA‑2048 Attack to 100k Qubits
QLDPC for the win (and also a little bit scary) work by @IcebergQuantum reducing physical qubits to break RSA-2048 to only 100,000 which we probably aren’t that far away from. we aren’t ready for this. https://t.co/DUJQCeG72E
Quantum Computing Threatens Private Encrypted Data, Experts Warn
I asked what else quantum could break @ChrisPeikert pointed out that we are overlooking the potential impact on our private encrypted data 👇 https://t.co/bFsCVAR5YD
New Methods Certify Photonic Quantum States Amid Indistinguishability
Photons are indistinguishable, and this makes certification - as it is relevant for photonic state preparations and computing - a subtle issue. We introduce methods and a mindset for certification of linear optical quantum state preparation that work in the...
Quantum Threat Looms: Bitcoin Must Embrace Post‑Quantum Collaboration
Are bitcoiners underestimating the quantum computing threat? In this @Unchained_pod episode, @drakefjustin and @ChrisPeikert join me to unpack: 🤖 The quantum computing risk to crypto 🤫 How governments may be the dark horse in the quantum race 👀 Why Bitcoin and Ethereum may need...
Ethereum Targets Post‑quantum Cryptography Upgrade by 2029
“The plan right now is to upgrade every single piece of Ethereum cryptography to be post quantum secure by 2029.” — Justin Drake (@drakefjustin), Researcher at the Ethereum Foundation https://t.co/bbNeyUmOCj
Quantum Threat Undermines Zcash Soundness, Not Privacy
“Quantum computers will break the soundness of these privacy schemes like Zcash, but they will not break privacy.” — Justin Drake (@drakefjustin), Researcher at the Ethereum Foundation https://t.co/fCtfMcB0vh
Quantum Breakthroughs Expected by 2032—Start Building Now
“If indeed I’m right, that 2032 is the date (for quantum to get real), then today’s when we really need to get started.” — Justin Drake (@drakefjustin), Researcher at the Ethereum Foundation https://t.co/bbNeyUmOCj
Quantum Computers Could Extract Private Keys From Public Keys
“With a cryptographically relevant quantum computer, you can take a public key and derive the private key from that.” — Justin Drake (@drakefjustin), Researcher at the Ethereum Foundation https://t.co/fCtfMcBykP

Quantum Software Alliance Launches Site to Accelerate Practical Computing
Quantum software is essential to make quantum technology work. The #QuantumSoftwareAlliance is a network of research institutions focused on making quantum computing practical through software, with an emphasis on co-design, algorithm discovery, verification, benchmarking, and interoperability. The web page is now...

Local Stoquastic Hamiltonians Remain MA-Hard to Solve
Stoquastic Hamiltonians avoid the sign problem in Monte Carlo simulations, so they are often viewed as the easy corner of many-body physics. We show that this intuition fails. https://t.co/zo2Si0xw35 Even under strict physical structure, estimating the ground-state...
Beyond Surface Code: Exploring Exotic Quantum Error‑Correction Zoo
I like to picture the space of error correction codes as a zoo with many exhibits. Many people are familiar with the surface code, it’s certainly the workhorse of our field. But there exist exotic codes that protect quantum information...
Intuitive Quantum Error Correction: Watrous & Qiskit Series
One of my favorite video series on quantum error correction comes from John Watrous and IBM Qiskit. This series does an excellent job of building intuition for how we protect fragile quantum information, beyond simply presenting the formalism.

Quantum Tech Startups: Pitch at Quantum Matter 2026
Your are a startup in Quantum Technology? Participate in the pitching competition during Quantum Matter 2026 in Barcelona (April 26-39), see https://t.co/fat2tUzpdt https://t.co/bnAYOyX22G

Quantum Computing Enters Practical Era with New Breakthroughs
Quantum computers will finally be useful: What's behind the revolution. https://t.co/jfR0QVkWxU An interesting read and good article in @Nature by @dcastelvecchi. https://t.co/iQZYLMQK3Z
Quantum 2.0’s Promise Requires a Skilled Workforce
The always eloquent Nadya Mason on the promise of Quantum 2.0 and how to build the quantum workforce. https://t.co/mxNu4unDuM
Quantum Computing Unstoppable—Develop Responsibly, Hope MAD Holds
I have, indeed, publicly questioned whether we should build quantum computers at all. But that’s a fantasy world; nothing can stop their development so all we can do is develop them responsibly and pray MAD applies.

Oral Submissions Due Feb 11 for Quantum Matter 2026
📣 Quantum Matter 2026 (Barcelona, Apr 27–30, 2026) 🗓️ Oral submissions deadline: Feb 11 Details & submissions: https://t.co/nSZk9pTXos #QuantumMaterials #QuantumTech #CondensedMatter https://t.co/YPTLojzRdF
Quantum Insights Sparked at Q2B Conference Conversation
While attending the Q2B Silicon Valley conference in December, I had this enjoyable conversation with Antonella Navarro, host of The Quantum Revolution podcast. https://t.co/RtAHIRh8ns
Discover the Quantum Error Correction Zoo Resource
If you work on quantum error correction, be sure to check out The Error Correction Zoo: https://t.co/nLv7pmTq3A The Error Correction Zoo is an open, community-driven resource dedicated to compiling, organizing, and explaining known quantum error correction codes.
Hardware Investment Surge Revives QC Prospects
hidden in this is the best news for QC: hardware will be (already is) in vogue again for investment

Lattice Surgery Achieved on Superconducting Repetition Codes
Need to perform surgery on your logical #qubits? Here is how to do it with #superconducting #circuits. With lattice surgery you can entangle logical qubits, which is a step required for realizing two-qubit gates between logical qubits. This is particularly useful...
Access Small-Scale Quantum Tanner Codes with Good Parameters
if you want to play with smallist quantum Tanner codes, here is a bunch of codes with fairly good parameters.

Quantum Software Alliance Highlights Software’s Role in Computing
At the rump session of #QIP2026, @ElhamKashefi announced the #QuantumSoftwareAlliance, stressing the importance of research and development of quantum algorithms and software, concomitant with quantum hardware development. A quantum computer needs both hardware and software. This is just a cute...
Infleqtion: Strong Quantum Play at Fair Valuation
Infleqtion is an excellent quantum computing company at an actually fair price. If I could buy it, I would.
IonQ Shines, but Quantum Thrives on Collaboration over Dominance
this is a brilliant play for ionq. the rest of the ecosystem, well... not so much. which is of course the point, but a thriving quantum ecosystem will rely on mutual collaboration and not dominance by a single firm. luckily...

Efficient Quantum Operations Reshape Entanglement Theory
A wonderful and highly compressed medley on the consequences for quantum information theory when one is limited to computationally efficient steps at #QIP2026, impressively delivered by Lorenzo Leone and Thomas Hahn. If somebody had told me years ago that quantum...
IonQ's SkyWater Access Claim Faces Feasibility Questions
Will IonQ really allow other QC companies to use SkyWater, as the press release claims? What if someone asks to tape out a device superior to what they have at a given time?

Lorenzo Leone Clarifies Clifford Commutant Research at QIP2026
At #QIP2026, Lorenzo Leone gives a wonderfully clear talk about out work on the Clifford commutant. https://t.co/GAmLOJFMsQ https://t.co/WaBmbW2G63

FeNNix-Bio1 Delivers Quantum‑Accurate MD, Open for Academia
#compchem #compbio 🚀 𝐅𝐞𝐍𝐍𝐢𝐱-𝐁𝐢𝐨1 enables to perform extremely fast molecular dynamics simulations at hashtag#quantum accuracy under various #GPU-accelerated frameworks. 🚀 As some people asked me, the 𝐅𝐞𝐍𝐍𝐢𝐱-𝐁𝐢𝐨1 #machinelearning foundation model is fully available for academic groups (ASL licence) at various places: - 👉...

Quantum Combs Extended to Continuous‑time Field Limit
Formalising an operational continuum limit of quantum combs Quantum combs or quantum process tensors naturally capture multitime processes in quantum mechanics. We bring such combs to the continuum limit, capturing quantum fields. https://t.co/Kof534d3He Concretely, quantum #combs are powerful conceptual tools for capturing multi-time...
Evaluating Quantum Advantage Claims in Random Circuit Sampling
In part 2 or a 3-part series, Dominik Hangleiter continues his thoughtful assessment of the evidence for quantum advantage in random-circuit-sampling experiments. https://t.co/xzSyv2MOV2
UBS Warns Quantum Computing Threatens Crypto's Future
UBS mentions quantum computing as an existential threat to crypto. Quatum computing continues its rapid rise into the mainstream conversation.

Quantum Metal Offers Designs and Tutorials for Quantum Devices
Did you know that Quantum Metal includes a repository of quantum device designs, along with tutorials on how they’re built? https://t.co/NZe3PLhXhR

Marqov Testbed Launches with 10 QPUs,
Marqov TESTBED is up and running with Quantinuum. That’s now 10 QPUs, 9 simulators, and 14 foundation models available 🙌 https://t.co/tdrFC03uGJ

Efficient Decoding Redefines Quantum Channel Capacities, Reveals Separation
This is a paper I very much like, for its foundational and somewhat "rebellious" character: We show that notions channel capacities are strongly altered if one simply assumes that all operations one can implement are efficient. https://t.co/WAe4Et1SDy To the point, #quantumchannelcapacities are...
Quantum Phase Space Holds Real Computational Power
I am very excited to share my latest paper from the quantum computing summer https://t.co/opr4pp9EVc In collaboration w/ Luke Coffman, @Nahuel_L_Diaz, @MartinLaroo, and the one and only Maria Schuld from @XanaduAI The punchline: quantum phase space isn’t just a pretty...
BTQ Partners ITRI for Low-Power
NEW: BTQ is partnering with ITRI to build a new chip architecture for post-quantum security. $BTQ ’s QCIM targets lower-power cryptography, and is now moving into silicon validation with ITRI, the incubator behind $TSMC.

Adam Wills Joins to Explore Quantum Error Correction
What a pleasure to have @adam_wills1 visiting us for this week to discuss notions of #quantumerrorcorrection. https://t.co/07pCKcT4pv
Pauli Twirling + Probabilistic Cancellation Boost NISQ Fidelity
Back in 2023, I gave a series of lectures at the Boulder Summer School on then-recent techniques we developed for error mitigation in NISQ devices, specifically how to combine Pauli twirling with probabilistic error cancellation to improve fidelity in noisy...
Quantum Fear Should Spur Bitcoin Fixes, Not Complacency
Bitcoin and the Quantum Threat: Think about the Year 2000 bug. Remember Y2K? It was a great example of the positive effects of over-worrying. I'm old enough to remember how everyone was talking about how the world is going to end...

Shadow Tomography of GKP Logical Subsystems via Twirled Measurements
Chasing shadows with Gottesman-Kitaev-Preskill codes https://t.co/n2Ez7A6Ehz We explore a research question at the intersection of #quantumerrorcorrection and #quantumlearningtheory. Concretely, we consider the task of performing shadow tomography of a logical subsystem defined via the Gottesman-Kitaev-Preskill (#GKP) error correcting code. Our protocol does...
Quantum Error Correction Defies Classical Intuition, Misconceptions Abound
One thing I didn’t fully appreciate early on while learning quantum error correction is just how far it can deviate from classical intuition. Along the way, I’ve run into some common misconceptions (which I still see often):

Quantum Materials Conference Unites Theory, Info, Hardware in Barcelona
⚛️ QUANTUMatter 2026 — Barcelona 🇪🇸 | Apr 27–30, 2026. Quantum materials + quantum info + hardware: one room, four days. Talks, expo, partnerships. Let’s build the future. 🔗 https://t.co/nSZk9pTpyU @QuantumConf #QUANTUMatter2026 #QuantumMaterials https://t.co/x8y1WMZAPr

Deep Dialogue on Quantum Futures and Science Outreach
It has been a great pleasure—and both fun and insightful—to speak with Thomas Ramge about the future of quantum technologies, broader aspects of science and technology, and what makes science so exciting in the first place. I especially appreciate the...