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Quantum Computing
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Rigetti Computing (RGTI) stock fell 22.6% in July, as investors lost patience with unprofitable companies and doubts about quantum computing stocks spread, according to analysis.
The analysis suggests that despite Rigetti Computing's R&D expenditure of nearly $41 million in the first half of 2026, its operating loss reached $54 million during the same period, with revenues of
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Rigetti Computing shares surged after the company announced it had signed a letter of intent with the U.S. Department of Commerce, potentially securing up to $100 million in CHIPS and Science Act funding, and plans to invest in deploying quantum computers in the UK.
Rigetti Computing's stock price has recently surged, primarily driven by a series of company announcements. The most crucial among these was the May 21st announcement of signing a letter of intent wit
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Xanadu (XNDU) Q2 2026 Update: Accelerated Chip Production, 75% and 50% Increase in Thin-Film Lithium Niobate and Silicon Nitride Output, Respectively
Quantum computing company Xanadu (XNDU) noted in its Q2 update that it has made progress in hardware implementation, achieving an edge coupling loss of 0.085 dB and increasing the yield of thin-film l
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Turing Quantum, a quantum computing company, has begun preparations for an A-share listing, with a valuation exceeding 7 billion yuan.
Shanghai Turing Zhisuan Quantum Technology Co., Ltd. (referred to as "Turing Quantum") filed for pre-listing tutoring registration with the Shanghai Securities Regulatory Bureau on August 5, 2026, and
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"Mad Money" host Jim Cramer plans to sell all Bitcoin holdings due to concerns about the threat of quantum computing, but the crypto community remains unaffected by his reputation as a reverse indicator, with Bitcoin prices still stable at around $64,000.
Jim Cramer stated that IBM Chairman and CEO Arvind Krishna once pointed out that quantum computers might challenge modern cryptography within three to four years, which prompted Cramer to decide to li
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D-Wave Quantum shares surged 11% on a Nasdaq Verafin fraud-detection deal, while IonQ jumped 9% after closing its $1.8 billion SkyWater Technology acquisition; Rigetti Computing also rose 9%
D-Wave Quantum's collaboration with Nasdaq Verafin aims to develop quantum-hybrid applications for fraud, scams, and money laundering. IonQ completed its acquisition of SkyWater Technology following U
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Yahoo Finance analysis suggests IonQ (IONQ) is a better buy than Rigetti (RGTI) in 2026, citing IonQ's 201.9% revenue surge to $130M in FY2025 while Rigetti's revenue fell 34.3% to $7.1M
A Yahoo Finance analysis comparing quantum computing stocks IonQ (NYSE:IONQ) and Rigetti Computing (NASDAQ:RGTI) suggests IonQ is a better buy for 2026 due to stronger commercial traction. The analysi
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Benchmark analyst Gary Mobley is bullish on the quantum computing sector, saying companies like IonQ are likely to benefit
Benchmark analyst Gary Mobley (ranked among the top 4% of Wall Street analysts) is bullish on the long-term potential of the quantum computing sector and advises investors to adopt a portfolio strateg
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IBM CEO Arvind Krishna: Quantum Computing to Generate Meaningful Revenue by Decade's End, Potentially $1 Trillion by Late 2030s
IBM CEO Arvind Krishna stated in a CNBC interview that quantum computing is nearing a commercial breakthrough and is expected to start generating meaningful revenue for IBM by 2028 or 2029. Krishna pr
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Hong Kong's Central Bank Reports Low Quantum Preparedness in Banking Sector
The Hong Kong Monetary Authority (HKMA) published its first Quantum Preparedness Index, revealing a score of 2.3 out of 10 for the local banking industry. This indicates low readiness for the long-ter
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D-Wave and AT&T Expand Quantum Computing Agreement
D-Wave and AT&T Expand Quantum Computing Agreement.
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Experts Warn Crypto's Slow Governance is Key Obstacle to Quantum Attack Defense
Experts warn that crypto's slow governance, rather than its underlying cryptography, may be the biggest obstacle to defending against future quantum computing attacks, especially as estimates for "Q-D
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Cardano Founder Hoskinson: If Governance Fails to Address Quantum Threats, Bitcoins May Lose Their Top Spot
Svmuu News: Cardano founder Charles Hoskinson stated that quantum computing could pose a major test of Bitcoin’s governance capabilities. If the Bitcoin network fails to coordinate the necessary upgra
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BlackRock, Coinbase, and others have established a $15 million "Bitcoin" quantum defense fund
Svmuu News: BlackRock, Coinbase, Strategy, Anchorage Digital, ARK Invest, Block, Blockstream, Fidelity Digital Assets, and Galaxy have formed the Bitcoin Security Consortium, committing a total of $15
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BitGo will launch the "Bitcoin" wallet—a tool for quantum-resistant security—to help institutions mitigate quantum computing risks
Svmuu News: Digital asset custody platform BitGo announced that it will launch post-quantum security tools for Bitcoin wallets in the coming weeks to help institutional clients assess, manage, and mit
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StarkWare Releases Starknet's Post-Quantum Roadmap
Svmuu News: Zero-knowledge scaling company StarkWare has released a roadmap for Starknet’s quantum resistance, stating that the roadmap is divided into three phases to address the risk of future quant
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He Yi Responds to CZ’s Comments on Freezing Satoshi Nakamoto’s BTC, Saying the Idea Was Not CZ’s Original Idea
Svmuu News: Earlier, CZ mentioned in an interview that “if the Satoshi Nakamoto address at Bitcoin remains inactive for an extended period after the post-quantum upgrade, the associated Bitcoin should
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CZ: If a Satoshi Nakamoto address remains inactive for an extended period after the quantum upgrade, the associated BTC should be frozen.
Svmuu News: In an exclusive interview on the Galaxy Brains podcast with Alex Thorn, Head of Research at Galaxy, CZ stated that quantum computing does not pose an unsolvable problem for Bitcoin, and th
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"The White-Haired Stock Guru" Serenity Releases Minutes from ALRIB Shareholders' Meeting: Second-Generation ROSIE System to Be Delivered to U.S. Quantum Computing Clients; Photonics Business Draws Strong Interest
Svmuu News: “The White-Haired Stock Guru” Serenity posted on X, disclosing the minutes of ALRIB’s shareholders’ meeting and noting that progress in several of the company’s business areas is sending p
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G7 Central Bank Quantum Technology Working Group Releases First Report, Warning of Security Risks in Financial Cryptography
Svmuu News: The G7 Central Bank Working Group on Quantum Technologies has released its first public report, warning that quantum computing could have far-reaching implications for the global financial
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Grayscale parent company DCG founder: Instead of mocking ZEC price pullback, it is better to prepare for AI and quantum risks
Barry Silbert, Founder and CEO of DCG, the parent company of Grayscale, stated on platform X that while some in the crypto community may continue to mock Zcash (ZEC) prices dropping back to levels see
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IBM plans to invest $10 billion in quantum computing over the next five years, with its stock price currently at $322.9
Svmuu reported that IBM News posted on X, stating that IBM has announced plans to invest $10 billion in quantum computing over the next five years, covering research and development, capital expenditu
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IBM plans to invest $10 billion to build a large-scale quantum computer by 2029
Svmuu News: Tech giant IBM has announced plans to invest over $10 billion in the field of quantum computing over the next five years, further intensifying its focus on this cutting-edge technology tra
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Analysis: Bitcoin—A Decade-Long Crisis Looms; As Quantum Computing Advances, Holders Must Promptly Migrate High-Risk Addresses
Svmuu News: Sandy Peng, co-founder of Scroll, published an analysis stating that the quantum computing threat facing Bitcoin is not primarily a technical challenge, but rather an issue of community go
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Nasdaq-listed Next Technology Holding may sell $450 million in Bitcoin, citing the Binance hack and quantum computing risks.
Next Technology Holding has authorized the sale or loan collateralization of its 5,833 Bitcoin holdings, valued at approximately $450 million. The company stated that this decision was made due to con
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Ledger CTO Warns: New Cryptographic Breakthroughs Could Pose Long-Term Threat to Bitcoin, Involving Sub-Exponential Algorithms and Increased Quantum Computing Efficiency
Ledger CTO Charles Guillemet warned that two new cryptographic breakthroughs could pose a long-term threat to Bitcoin. He noted that new research proposes a theoretically more efficient sub-exponentia
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Alice & Bob's New Quantum Model Reduces Hardware Required to Crack Bitcoin Keys by 17x
A new quantum model developed by Alice & Bob can reduce the hardware required to crack Bitcoin keys by 17 times. This advancement brings potential quantum attacks closer to reality, increasing pressur
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Intel will acquire quantum startup Classiq for approximately $2.3 billion, Bloomberg reported.
Intel will acquire quantum startup Classiq for approximately $2.3 billion, Bloomberg reported.
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Intel announced a partnership with Classiq to jointly build a full-stack quantum computing platform.
Intel announced a partnership with Classiq to jointly build a full-stack quantum computing platform.
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NVIDIA Expands Open Model Family to Help Europe Develop "Sovereign AI" in Language, Robotics, Biology, and Quantum Computing
NVIDIA is expanding its family of open models across language, robotics, biology, and quantum computing, aiming to provide European developers, researchers, and enterprises with the tools needed to bu
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NVIDIA announced a major breakthrough in quantum computing: simulating 104 qubits on Europe's largest supercomputer, validating a technical roadmap that could reduce physical qubit requirements by 90%.
NVIDIA researchers announced on Monday, October 19, ET, that they have successfully completed a record-breaking 104-qubit fault-tolerant quantum computing simulation using the JUPITER supercomputer at
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Zcash developers plan a fix to keep ZEC swaps private from future quantum computers
Zcash developers plan a fix to keep ZEC swaps private from future quantum computers
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Google's Willow quantum chip reduces quantum computing error rates by approximately 40 times, posing a greater quantum cracking threat to Bitcoin.
Google announced that its Willow quantum chip has reduced the error rate by approximately 40 times when preparing the special states required for quantum computing, thereby alleviating one of the hard
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Anthropic Claude Mythos 5 achieves a major breakthrough in quantum circuit design, reducing the number of gates for elliptic curve operations by 17 times.
Anthropic released research on October 16, demonstrating that its Claude Mythos 5, aided by an automated evaluation system, optimized eight quantum circuit design tasks spanning quantum chemistry, opt
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Google Quantum AI has reduced quantum error rates by approximately 40 times on the Willow chip, but Bitcoin's cryptographic security remains far from being breached.
Google Quantum AI, in a new paper, stated that its Willow chip has reduced a critical class of quantum error rates by approximately 40 times. This technology, by filtering rather than using dedicated
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Nine crypto companies form Quantum Alliance to address future quantum threat to 6.4 million Bitcoin
Nine crypto companies have launched the Quantum Alliance to jointly prepare for potential quantum attacks. The Alliance estimates that 6.4 million Bitcoin, or 30.2% of the total supply, have public ke
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Crypto investor Nic Carter warns quantum fixes for Bitcoin could risk locking out legitimate owners
Crypto investor Nic Carter highlighted a hypothetical quantum attack scenario where a hostile actor could recover keys to dormant Bitcoin. He warns that while quantum fixes could protect Bitcoin, legi
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Google Achieves Quantum Computing Breakthrough: Error Rate Reduced 40-fold, T-state Logical Fidelity Reaches Record 99.99%
Google's Quantum AI team has made key advancements in quantum computing, with their research published in Science on Thursday. The team validated "magic state distillation" on the Willow processor, re
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Charles Edwards: Factors such as quantum risk, a shift in Federal Reserve policy, and government adoption could be huge catalysts for Bitcoin's rise.
Charles Edwards stated that for Bitcoin to break its all-time high, several substantive events would need to occur, including actual progress in quantum computing, a shift in Federal Reserve policy, U
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IonQ to Acquire Cybersecurity Firm Elisity in All-Stock Deal Valued Up to $1.3 Billion
Quantum computing platform IonQ announced Monday it will acquire cybersecurity firm Elisity in an all-stock transaction valued at up to $1.3 billion, including up to $150 million in performance incent
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White House Director Kratsios announces major science initiatives, including AI, quantum, and space goals
White House Director Michael Kratsios announced a comprehensive suite of science initiatives at the 'Science: A New Golden Age Summit'. These include a $1.5 billion NSF X-Labs program over 10 years fo
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Japanese tech group Fujitsu to set up quantum computing research center in New Mexico, US
Japanese tech group Fujitsu to set up quantum computing research center in New Mexico, US
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TechCrunch Disrupt 2026 unveils full interactive roundtable agenda for Oct 13-15, featuring speakers from Nvidia, Chime, and Walmart discussing AI, quantum computing, and enterprise software.
TechCrunch Disrupt 2026 unveils full interactive roundtable agenda for Oct 13-15, featuring speakers from Nvidia, Chime, and Walmart discussing AI, quantum computing, and enterprise software.
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Bitcoin Magazine: Quantum Computing Threat to Bitcoin Is Overstated
In an analysis published by Bitcoin Magazine, Brandon Black argues that the threat of cryptographically relevant quantum computers (CRQC) to Bitcoin is an exaggerated fear. Black states there is no ev
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Jefferies: Quantum Computing Industry Reaches Historic Inflection Point, Competition Shifts to Supply Chain and Manufacturing
Jefferies analysts released a report after attending the Quantum World Congress (QWC), stating that the quantum computing industry is undergoing a profound paradigm shift. The core challenge has moved
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Quantum computing sector sees optimism amid breakthroughs and funding surge, despite enduring hurdles and commercial uncertainty
Quantum computing sector sees optimism amid breakthroughs and funding surge, despite enduring hurdles and commercial uncertainty
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Bitcoin Magazine analysis suggests viable quantum computers could emerge within a decade, posing a potential threat to Bitcoin's network.
The analysis highlights significant progress in quantum computing, including a 10x reduction in physical qubits needed for logical qubits due to improved error correction, and Google's experimental ve
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IonQ shares surged over 11% in premarket trading after the quantum computing company announced the successful testing of the industry's first end-to-end real-time error correction decoder.
IonQ announced on Tuesday that it has successfully demonstrated the quantum computing industry's first end-to-end real-time quantum error correction decoder. This milestone allows a single standard co
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CIRQ Coin Analysis: Distinguishing Cirquity Token from the Quantum Computing Framework
The ticker CIRQ in the cryptocurrency space primarily refers to the utility token issued by the Cirquity project. This project claims to be based on the Bitcoin BRC20 standard or Cryptonote technology, aiming to provide private and fast fund transfer services. However, as of October 2026, multiple data platforms show its market capitalization is missing, 24-hour trading volume is extremely low or even zero, and it lacks listings on mainstream exchanges, indicating very low market activity. Additionally, CIRQ also refers to Cirq, a quantum computing framework developed by Google.
Quantum Computing
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