Quantum Computing
Quantum computing hardware, modalities, architectures, companies, roadmaps, ecosystem dynamics, and the path to fault tolerance.
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The Quantum Utility Map
Why Quantum Won’t Save Wall Street (Yet): An Honest Assessment of Quantum Computing in Finance
The best quantum finance resource estimates, produced by Goldman Sachs' own research team, require logical clock speeds three orders of magnitude beyond any projected hardware. The quantum speedup for derivative pricing and portfolio optimization is quadratic, and quadratic is structurally…
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Quantum Computing
The Decoder Bottleneck: The CRQC Challenge Nobody Is Talking About
Qubit count gets the headlines. Error rates get the analysis. But the classical decoder that must process millions of error signals per second in real time gets almost no attention outside the QEC research community. It may be the capability…
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Quantum Commercialization
Why Are Companies and Governments Buying Quantum Computers That Can’t Do Anything Yet?
The quantum computing market hit $1.4 billion in 2025 for machines that deliver no practical advantage over classical computers. Here's why that spending is more rational than it sounds.
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China's Quantum Ambition
China’s Quantum Computing Hardware: The Core Capability the West Keeps Misjudging
The published record suggests China trails the US by about a year. The actual gap may be narrower — or it may already be closed. In December 2025, a team at the University of Science and Technology of China quietly…
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Post-Quantum, PQC, Quantum Security
The CRQC Scorecard: How Close Is Each Quantum Modality to Breaking Your Encryption?
Yesterday, two papers landed that set social media on fire. Google Quantum AI published a landmark resource estimate showing that fewer than 500,000 superconducting qubits could break Bitcoin's elliptic curve cryptography in under nine minutes. Hours later, a team from…
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Quantum Computing
The Dark Horse: How Silicon Quietly Assembled Every Building Block for Fault-Tolerant Quantum Computing
The quantum computing modality race has had a clear narrative for most of the past decade. Superconducting qubits were the frontrunners — Google's quantum supremacy demonstration in 2019, IBM's steadily growing processor roadmap, the first below-threshold surface code results in…
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Quantum Computing
Three Bets on Silicon: Donor Qubits, Quantum Dots, and the Foundry Path Compared
When people say "silicon quantum computing," they often speak as if it is one thing. It is not. It is at least three distinct approaches, built on the same material but employing different physics, different fabrication methods, and different strategies…
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Quantum Computing
China’s Quantum OS Play: Origin Pilot and the Battle for the Integration Layer
China's Origin Pilot isn't just another quantum SDK — it's a top-down systems integration layer that challenges the West's bottom-up approach to quantum open architecture.
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Quantum Computing
Quantum Low-Density Parity-Check (qLDPC) Codes
Quantum Low-Density Parity-Check (qLDPC) codes are an emerging class of quantum error-correcting codes that promise to significantly reduce the overhead required for fault-tolerant quantum computing. Much like their classical LDPC counterparts, qLDPC codes are defined by sparse parity-check constraints: each…
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Quantum Systems Integration
Engineering the Quantum Operating System (OS) Stack: From Nanosecond Pulse Control to System-Level Orchestration
The argument for quantum computing's "PC moment" has become surprisingly compelling. QuantWare ships superconducting QPUs to customers in 22 countries. Qblox sells modular control stacks to over 100 labs. Bluefors has installed 1,800 cryogenic systems worldwide. The Quantum Open Architecture…
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Quantum Systems Integration
Quantum Open Architecture (QOA) & Quantum Systems Integration: From Monoliths to Modular Quantum Computing
Today's quantum computers are monoliths — a single vendor designs the chip, builds the control electronics, writes the software, and operates the cloud platform. The customer gets a black box. This is exactly where classical computing was in the 1960s,…
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Quantum Computing
Quantum Open Architecture (QOA): The “PC Moment” of Quantum Computing
Today, a sea change is underway. Quantum Open Architecture (QOA) is doing for quantum computing what the PC revolution did for classical computing - opening up the ecosystem. Just as the computing world shifted from monolithic mainframes to modular PCs…
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Quantum Computing
Silicon’s Hidden Advantage: How Biased Noise Could Slash the Cost of Quantum Error Correction
When people say "silicon quantum computing," they often speak as if it is one thing. It is not. It is at least three distinct approaches, built on the same material but employing different physics, different fabrication methods, and different strategies…
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Quantum Ecosystem
What It Takes to Build a Quantum Computer: Mapping the Hidden Supply Chains Behind Every Modality
A map of the hidden supply chains behind every major quantum computing modality — and a guide to where value, risk, and strategic leverage actually sit. The headlines go to the companies designing quantum processors, but behind every qubit sits…
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Quantum Ecosystem
The Foundry’s Hidden Supply Chain: Who Really Wins If Silicon Spin Quantum Computing Wins
In September 2025, a team from the Australian startup Diraq and Belgium's imec published a result in Nature that no one in the semiconductor industry could ignore. They had fabricated silicon quantum dot spin qubits on imec's industrial 300-millimeter wafer…
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