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Quantum Computing
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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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EU watchdogs warn quantum computers could threaten crypto security
EU supervisors caution that quantum computing advancements could weaken blockchain security. In response, Bitcoin developers are considering a draft migration plan, while Ethereum aims to address this
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Quantum stocks are heating up again after a tough summer, with analysts suggesting this week's Quantum World Congress could trigger a 'sentiment reversal'.
Shares of quantum-computing companies have faced a challenging summer, but some analysts believe an industry conference this week and potential news regarding technical progress toward quantum milesto
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Kevin O'Leary Predicts Bitcoin Could Reach $1 Million, Citing Quantum Computing Challenge
O'Leary stated that Bitcoin's potential to hit $1 million hinges on the crypto industry overcoming its quantum computing problem. He also explained his decision to move away from Ethereum.
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VanEck Executive Sigel: Bitcoin Community Aware of Quantum Computing Risk, Actively Seeking Solutions
Matthew Sigel, head of digital asset research at asset manager VanEck, stated on Friday that despite the risks quantum computing poses to cryptocurrency networks, the Bitcoin community has recognized
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Analysis: IonQ currently holds a technology edge over Rigetti Computing in quantum computing, but both face challenges in scaling
A Yahoo Finance analysis indicates that IonQ (NYSE: IONQ) currently has a technology edge over Rigetti Computing (NASDAQ: RGTI), primarily due to its higher qubit fidelity and all-to-all connectivity
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"Big Short" Burry Buys Fine Wine to Hedge Against AI and Quantum Computing Threats, and USD Devaluation Risk
Michael Burry, the investor known for short selling, warned in a September 11 post that AI and quantum computing could threaten cryptocurrencies and financial assets such as bank and investment accoun
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IonQ shares fell 5.78% to $38.13 after CEO predicted "Q-Day" by 2028 and claimed flat cost curve, while Q2 operating expenses hit $417.3M
IonQ CEO Niccolo de Masi stated at the company's investor day that "Q-Day" (when quantum computing can break current encryption) will arrive by 2028, and that quantum machines are becoming more powerf
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Evercore ISI analyst sees IBM's selloff as an opportunity, believing investors get quantum-computing exposure for free.
Evercore ISI analyst sees IBM's selloff as an opportunity, believing investors get quantum-computing exposure for free.
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U.S. Takes Minority Stakes in D-Wave, Rigetti, Quantinuum with $300 Million CHIPS Act Funding
The U.S. government is acquiring minority equity stakes in quantum computing companies D-Wave Quantum, Rigetti Computing, and Quantinuum through a combined $300 million CHIPS Act funding deal. This in
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Quantum Computing Company IonQ to Host Investor Day on Tuesday, With SkyWater Deal in Focus
Quantum Computing Company IonQ to Host Investor Day on Tuesday, With SkyWater Deal in Focus
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Analysis: IonQ holds stronger technology advantage over Rigetti Computing, with superior quantum computing accuracy, larger Q2 revenue, and higher cash reserves.
A Yahoo Finance analysis indicates that IonQ's ion trap technology achieves 99.99% 2-qubit gate fidelity on a 256-qubit system, significantly surpassing Rigetti Computing's 99.1% on a 108-qubit superc
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Shares of quantum computing company D-Wave Quantum fell 9.5% on the day its CFO announced retirement this week.
D-Wave Quantum (NASDAQ: QBTS) announced this week that CFO John Markovich will retire on September 2, causing the company's stock price to fall by 9.5% on the day of the announcement. Despite the comp
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IonQ shares fell 42.9% between late May and late August, with analysts attributing the decline to a repricing of pure-play quantum valuations rather than recent operational performance.
Quantum computing company IonQ's (IONQ) shares dropped from $70.14 to $40.03 during the period. This occurred despite the company reporting its strongest quarter in history, with Q2 revenue of $80.1 m
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StarkWare says first quantum-resistant Bitcoin transaction successfully executed
Still, StarkWare says Bitcoin needs a protocol-level upgrade to make it fully safe from quantum computing threats.
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D-Wave (QBTS) stock fell 8% intraday after the company announced that CFO John Markovich will retire; other stocks in the quantum computing sector were dragged down, with IonQ (IONQ) falling 3% and Rigetti (RGTI) falling 5%.
Shares of D-Wave Quantum (QBTS) fell 8% to $17.79 during Wednesday's trading session after the company disclosed that its Chief Financial Officer, John Markovich, will retire on September 2. Greg Golk
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Ethereum developers propose first step to protect ETH staking from quantum attacks by rebuilding deposit contract to allow quantum-resistant keys
The draft proposal would allow validators to deposit with quantum-resistant keys and eventually stop accepting the current BLS signature format, which secures approximately 42.4 million ETH (worth abo
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Quantum Stocks Decline: Rigetti Computing and Infleqtion Down 7%, IonQ Down 6% on Monday
Quantum computing stocks, including Rigetti Computing (RGTI), Infleqtion (INFQ), and IonQ (IONQ), saw significant declines on Monday, unwinding a recent sentiment-driven rally. The previous rally was
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Analysis indicates that insiders at quantum computing companies IonQ, Rigetti Computing, and D-Wave Quantum have net sold nearly $863 million in stock over the past three years.
The analysis suggests that while AI has driven the Wall Street bull market, quantum computing, as a potential multi-trillion-dollar market, has also attracted investor attention. However, the massive
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Banks and regulators from Abu Dhabi, Bhutan, and Malta have joined a pilot program to test quantum-resistant crypto transfers and post-quantum wallets.
Banks and regulators from Abu Dhabi, Bhutan, and Malta have joined a pilot program to test quantum-resistant crypto transfers and post-quantum wallets.
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Quantum Computing Inc. (QUBT) reported a 9,000% year-over-year revenue increase to $5.6 million in the second quarter, with its stock closing near $9 on Friday.
Quantum Computing Inc. (QUBT) announced second-quarter revenue of $5.6 million, an increase of over 9,000% from $61,000 in the same period last year. Despite the significant revenue growth, the compan
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Analysis indicates that quantum computing company IonQ (IONQ) stock price has fallen over 40% from its historical high, yet its Q2 revenue increased by 287% year-over-year to $80.1 million, with full-year organic growth projected to exceed 100%, making it a "strong buy" candidate.
The analysis suggests that despite the current risk-off market sentiment, IonQ is a leader in quantum computing, with its technology excelling in accuracy and its ongoing efforts to develop a fault-to
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Shares of quantum computing companies Infleqtion, Rigetti, and others surged on Friday, driven by market expectations of up to $100 million in federal funding for quantum technologies.
Infleqtion (INFQ) shares rose 10%, Rigetti (RGTI) rose 9%, and IonQ (IONQ), D-Wave Quantum (QBTS), and Quantum Computing Inc. (QUBT) all rose 7%. This surge was not driven by company-specific news, bu
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Rigetti drops 7% to $15.73, IonQ sinks 6% to $40.60, and D-Wave falls 4% to $18.60, as 10-year Treasury yields at 4.71% punish unprofitable long-duration quantum stocks.
Quantum Computing Inc. shares also dropped 4% to $8.09. The selloff is not driven by company-specific news, but rather by bond market sentiment, with long-dated Treasury yields near multi-decade highs
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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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