Artículos Relacionados con Quantum Computing

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Microsoft Announces Commercial-Grade Quantum Computer to be Completed in Three Years: Will the Boots Land?

Microsoft announces plans to build a commercially viable quantum computer by 2029, a significant acceleration from the previous industry consensus of a decade. The breakthrough is fueled by their new Majorana 2 quantum chip, which boasts a record-breaking average qubit lifetime of 20 seconds—a 1,000-fold reliability improvement over its predecessor. This leap was achieved by leveraging topological qubits, a theoretically more stable technology using Majorana zero modes, and switching the core superconducting material from aluminum to lead. Crucially, Microsoft's "Discovery" agentic AI platform accelerated the R&D process. AI agents autonomously analyzed vast experimental data, optimized manufacturing parameters (like the lead alloy composition), and solved issues like "ghost noise," dramatically speeding up experimentation. While the 20-second coherence time is a landmark, challenges remain: scaling from 12 qubits to the millions needed for practical applications, managing compilation costs, and verifying quantum results. Skeptics call for peer-reviewed data, and questions persist about whether even 20 seconds is sufficient for complex algorithms like breaking RSA encryption. The race is on with other approaches (superconducting, trapped ions), but Microsoft's confidence in its topological roadmap signals a potential shortcut to a scalable quantum future.

marsbitHace 2 días 03:30

Microsoft Announces Commercial-Grade Quantum Computer to be Completed in Three Years: Will the Boots Land?

marsbitHace 2 días 03:30

Deconstructing the U.S. Stock Quantum Computing Sector: IonQ, Rigetti, D-Wave, Which of These Concept Stocks is Worth Betting On?

**Title:** Analyzing the US Quantum Computing Race: IonQ, Rigetti, D-Wave – Which Concept Stock is Worth Betting On? **Summary:** The podcast discusses the resurgence of quantum computing as a national priority for both the US and China, driven by its potential to break current encryption, revolutionize drug discovery, finance, and logistics. The core challenge is commercializing the technology, which is hampered by high error rates in quantum bits (qubits). Quantum error correction, requiring thousands of physical qubits per reliable logical qubit, is key but years away. The analysis compares three main publicly traded US quantum computing firms: * **IonQ (Ion Trap):** Considered the most financially stable with the fastest commercial progress (2025 revenue: $130M, +202%) and high-quality clients. Its valuation is very high, pricing in significant future growth. * **Rigetti (Superconducting):** Seen as the highest-risk, highest-potential-reward bet. It has the smallest revenue but recently launched a 108-qubit system. Its valuation multiples are extreme, making it highly sensitive to news. * **D-Wave (Quantum Annealing):** Has the most unique positioning with real-world enterprise clients today (e.g., Mastercard, Volkswagen) solving optimization problems. Its recent acquisition moves it into general-purpose quantum computing ("dual-platform"), adding execution risk. Major tech giants like Google, IBM, and Microsoft are also heavily invested, pursuing various technical approaches. Nvidia is positioning itself as the essential bridge between classical and quantum computing. The investment phase is likened to AI in 2018-2020: promising underlying technology with accelerating breakthroughs but a commercial inflection point still 3-7 years away, suggesting potential for a market correction ("bubble washout"). For investors, suggested approaches include gaining exposure through tech giants with quantum divisions (e.g., Google, IBM) or using niche ETFs like WQTM for pure-play quantum exposure, rather than direct stock picks in the highly volatile pure-play companies at this early stage.

marsbit06/01 07:43

Deconstructing the U.S. Stock Quantum Computing Sector: IonQ, Rigetti, D-Wave, Which of These Concept Stocks is Worth Betting On?

marsbit06/01 07:43

"Stock Market Maestro" Trump Lifts Up the Entire Quantum Computing Sector

U.S. President Trump's administration, adopting an "active investor" approach, has announced $2 billion in funding for nine quantum computing companies in exchange for minority, non-controlling equity stakes. The funding, sourced from the 2022 CHIPS and Science Act, targets firms like IBM, GlobalFoundries, D-Wave, Rigetti, and several private companies to advance various quantum modalities and overcome key engineering hurdles. This move mirrors the administration's earlier strategic investments, such as the highly profitable stake in Intel, and shifts from pure subsidies to an equity-for-funding model under the same legislation. The announcement triggered significant stock gains for the quantum sector. The strategy is part of a broader "America First" industrial policy aimed at securing U.S. technological leadership, reducing foreign dependencies, and providing credibility and policy support alongside capital. The administration indicates continued openness to similar investments across semiconductors, critical minerals, defense, and other strategic sectors.

Odaily星球日报05/27 09:08

"Stock Market Maestro" Trump Lifts Up the Entire Quantum Computing Sector

Odaily星球日报05/27 09:08

By The Numbers: How Much Bitcoin Supply Is Exposed To Quantum Risk?

Glassnode estimates that 6.04 million BTC, representing over 30% of the circulating supply, is potentially exposed to quantum computing risk. The risk arises when a wallet's public key is visible on the blockchain, which quantum computers could theoretically use to break cryptographic security. This exposed supply is divided into two categories: structurally unsafe coins (1.92 million BTC, 9.6%) due to older wallet designs, and operationally unsafe coins (4.12 million BTC, 20.6%) where practices like address reuse have revealed public keys. While structurally unsafe supply has decreased over time, operationally unsafe supply has grown. The remaining 13.99 million BTC are considered safe. Concurrently, Bitcoin's price is near $77,000, down over 3% weekly.

bitcoinist05/21 14:03

By The Numbers: How Much Bitcoin Supply Is Exposed To Quantum Risk?

bitcoinist05/21 14:03

TechFlow Intelligence Agency: Anthropic Seeks $50 Billion Funding at $900 Billion Valuation, Zcash Surges 70% in a Week

TechFlow Intelligence Briefing: Key developments in AI, crypto, hardware, and global markets. **AI:** Anthropic is reportedly seeking $50B in funding at a ~$900B valuation, positioning it as a major rival to OpenAI. It also published research on making AI "thinking" interpretable. Google DeepMind released AlphaEvolve, a Gemini-powered programming agent for scientific research. **Crypto/Web3:** Zcash surged 70% in a week, reigniting interest in privacy coins. Geopolitical tensions in the Strait of Hormuz spiked oil prices and market volatility. **Chip/Hardware:** SK Hynix awarded massive bonuses due to AI-driven demand, while Samsung faces potential strikes. TSMC's April revenue grew 17.5% year-on-year. Nvidia-backed CoreWeave faces valuation scrutiny ahead of its earnings. **Tech Companies:** Cloudflare announced a ~20% workforce reduction. Sony PS5 sales dropped amid a memory chip crisis and price hikes. Apple is nearing production of camera-equipped AirPods for AI features. **Markets:** Kodiak AI raised $100M at a steep discount, causing its stock to plunge 37%. US stocks fell amid Middle East tensions. **New Trends:** China unveiled the "Hanyuan 2," a low-power dual-core neutral atom quantum computer. Russia announced the Rassvet satellite network to compete with Starlink. **The Undercurrent:** Today's news highlights a central tension: capital is flooding into perceived certainties like AGI while retreating from uncertainties, seen in layoffs and geopolitical risks, asking where sustainable growth lies.

marsbit05/08 12:33

TechFlow Intelligence Agency: Anthropic Seeks $50 Billion Funding at $900 Billion Valuation, Zcash Surges 70% in a Week

marsbit05/08 12:33

The Market's Biggest Misconception About 'Quantum Computing': It's Still 'Too Early'

This article, based on a Barclays research report, addresses the common market misconception that quantum computing is still a distant, futuristic technology. The report argues that the field is approaching a critical inflection point, with "quantum advantage" expected to be demonstrated within the next 12-24 months when systems can stably operate 100 logical qubits. It corrects several key misunderstandings: quantum computers will not replace classical systems like GPUs but will instead require them for error correction, creating a symbiotic relationship that could generate over $100 billion in incremental demand for classical computing by 2040. The report also highlights the differentiation in hardware approaches, noting the current lead of trapped ions, the scaling potential of silicon spin qubits, and the quantity advantage of neutral atoms. It dismisses fears of imminent encryption breaches and emphasizes that the investment universe is broader than often perceived, encompassing over 45 public companies across the entire quantum supply chain.

marsbit02/09 10:00

The Market's Biggest Misconception About 'Quantum Computing': It's Still 'Too Early'

marsbit02/09 10:00

The Quantum Computing Threat to Bitcoin

Bitcoin faces an existential threat from quantum computing, which could break the elliptic curve digital signature algorithm (ECDSA) securing the network. Approximately 25% of all bitcoin—including the 1.1 million BTC in Satoshi’s wallet—are stored in vulnerable early "pay-to-public-key" addresses, where public keys are exposed on the ledger. Later address types only reveal public keys during transactions, creating a brief attack window. The timeline for quantum computing is uncertain, but if it emerges before Bitcoin transitions to post-quantum cryptography (PQC), attackers could steal and liquidate billions in bitcoin, causing a market collapse. A coordinated migration to quantum-resistant algorithms is urgently needed, though implementing PQC could take 6 months to 2 years. A controversial proposal suggests "burning" un-migrated coins to prevent mass theft, but this risks setting a precedent for confiscation and contradicts Bitcoin’s core principles of individual sovereignty. As the largest financial "honeypot" with direct and liquid value, Bitcoin is a prime target. The network must proactively upgrade before quantum computers become capable of breaking current encryption.

marsbit02/02 12:13

The Quantum Computing Threat to Bitcoin

marsbit02/02 12:13

Coinbase Announces New Board Of Experts To Combat Rising Quantum Computing Risks

Coinbase has formed an independent advisory board of external experts to address the emerging security threats posed by quantum computing. The board includes academics from institutions like Stanford and Harvard, as well as representatives from the Ethereum Foundation, EigenLayer, and Coinbase. According to Chief Information Security Officer Jeff Lunglhofer, quantum computers could potentially break the encryption protecting Bitcoin wallets and private keys, which currently rely on complex mathematical problems unsolvable by conventional computers in feasible time. Although this threat is not expected to materialize for at least a decade, the board will publish research and position statements to help the industry prepare. Initial defensive measures may include larger keys and added “noise” to obscure data. The first paper, focusing on quantum computing’s impact on blockchain consensus and transaction layers, is expected within months.

bitcoinist01/23 09:01

Coinbase Announces New Board Of Experts To Combat Rising Quantum Computing Risks

bitcoinist01/23 09:01

The Wolf Is Really Coming? Quantum Computing Threat to Bitcoin Is 'No Longer Theoretical', Analyst: 20-50% of Bitcoin Has 'Security Risks'

The threat of quantum computing to Bitcoin is accelerating from theoretical to practical, with analysts warning that 20-50% of Bitcoin’s supply—amounting to 4 to 10 million BTC—is vulnerable to quantum attacks. Coinbase’s research head David Duong highlighted that 32.7% of Bitcoin (6.51 million BTC) is at risk due to weak cryptographic practices, such as address reuse. Institutional investors are reacting: Jefferies’ Christopher Wood removed Bitcoin entirely from his portfolio, reallocating to gold, citing quantum computing as an existential risk to Bitcoin’s value proposition. Quantum computers could break Bitcoin’s elliptic curve digital signature algorithm (ECDSA), potentially exposing private keys. While current quantum systems are far from the estimated 13 million qubits needed to crack Bitcoin’s encryption, experts disagree on the timeline—some say 5 years, others 20-40 years. The Bitcoin community faces a governance dilemma: whether to preemptively destroy vulnerable coins or risk large-scale theft. Developers are proposing quantum-resistant upgrades, but implementation could take 5-10 years. Despite the concerns, some institutions like Harvard and Morgan Stanley continue to increase Bitcoin exposure, reflecting divergent risk assessments. The market is already pricing in these fears, with Bitcoin underperforming gold significantly.

华尔街日报01/23 01:11

The Wolf Is Really Coming? Quantum Computing Threat to Bitcoin Is 'No Longer Theoretical', Analyst: 20-50% of Bitcoin Has 'Security Risks'

华尔街日报01/23 01:11

From Principles to the Future: How Quantum Computing Reshapes the Security Landscape of Blockchain

Summary: This article analyzes the real quantum computing threat to blockchain, arguing timelines for cryptographically relevant quantum computers (CRQCs) are often exaggerated. While "Harvest Now, Decrypt Later" (HNDL) attacks necessitate an immediate shift to post-quantum encryption for long-term data secrecy, the transition for digital signatures is less urgent as they are not vulnerable to HNDL attacks. Most blockchains (e.g., Bitcoin, Ethereum) primarily use signatures, not encryption, so they face the threat of future signature forgery, not immediate decryption. However, Bitcoin requires urgent planning due to its slow governance, the need for active user migration of funds, and the risk of losing billions in vulnerable, possibly abandoned coins. Privacy chains with encrypted on-chain data are more immediate HNDL targets. The article cautions against a rushed adoption of immature post-quantum signatures (which are larger and riskier to implement) and zkSNARKs, advising a measured approach. It recommends immediate deployment of hybrid encryption, planning for blockchain migration, prioritizing implementation security (bugs are a bigger near-term risk than quantum computers), and maintaining perspective on quantum computing announcements.

比推12/10 09:34

From Principles to the Future: How Quantum Computing Reshapes the Security Landscape of Blockchain

比推12/10 09:34

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