Core Viewpoint - Rigetti Computing reported a larger-than-expected loss for Q2 2025, with significant revenue decline and a focus on advancing its quantum computing technology [1][2]. Financial Performance - The company reported an adjusted loss per share of $0.13, compared to the market expectation of a loss of $0.04 [1]. - Total revenue for the quarter was $1.8 million, a year-over-year decrease of 41.9%, falling short of the expected $1.87 million [1]. - Net loss for the quarter was $39.7 million, which included a non-cash loss of $22.8 million related to warrant derivatives and fair value changes [1]. - Operating expenses were $20.4 million, leading to an operating loss of $19.9 million [1]. - Rigetti completed a $350 million equity financing, enhancing its financial position, and reported approximately $571.6 million in cash and equivalents with no debt as of June 30, 2025 [1]. Technological Advancements - Rigetti introduced its multi-chip quantum computer "Cepheus-1-36Q," claiming it to be the largest in the industry, featuring four small chips with a median two-qubit gate fidelity of 99.5% [2]. - The error rate of the new system is reduced by half compared to the previous Ankaa-3 system [2]. - The company plans to launch a system with over 100 qubits by the end of 2025, maintaining a median two-qubit gate fidelity of 99.5% [2]. - The quantum computing systems leverage quantum mechanics properties, potentially surpassing traditional computing capabilities in specific areas [2]. Industry Context - Despite advancements, no company has yet achieved practical, large-scale quantum computing with precise control over quantum states [3]. - Industry leaders like NVIDIA and Microsoft are pushing towards significant technological breakthroughs in quantum computing [4]. - The quantum technology investment surge has led to a dramatic increase in Rigetti's stock price, which has risen over 1700% in the past year, although it saw a 3.5% drop post-earnings announcement [4].

Group 1 - Musk raises concerns about the long-term security of Bitcoin in the context of rapid advancements in quantum computing, specifically regarding the SHA-256 hash algorithm's vulnerability to powerful quantum computers [2][4] - IBM announced its next-generation quantum system "Blue Jay," which is expected to achieve 2000 qubits by 2033, intensifying competition in the quantum computing space [2][6] - Current quantum systems possess around 1000 qubits, significantly lower than the millions of error-correcting qubits needed to effectively break Bitcoin's encryption [4] Group 2 - Grok's analysis indicates that the risk of quantum computers breaking Bitcoin's encryption is near zero in the next five years, with a slight increase to below 10% by 2035 [2][4] - Deloitte's recent analysis suggests that approximately 25% of Bitcoin is at risk of being stolen through quantum attacks, highlighting the urgency for the Bitcoin network to adopt post-quantum cryptography [4] - Tesla holds 11,500 Bitcoins valued at approximately $1.3 billion, while SpaceX reportedly holds around $850 million in Bitcoin, indicating Musk's vested interest in addressing potential threats [6]

Core Insights - Warren Buffett's Berkshire Hathaway has a "secret" portfolio worth $616 million, which includes stakes in two quantum computing companies [6][10][11] - The portfolio is managed by New England Asset Management (NEAM), which operates under Berkshire Hathaway but is not directly overseen by Buffett [8][9] - The quantum computing sector is seen as a potential game-changer, with applications in drug development, financial risk management, and enhancing AI algorithms [13] Group 1: Berkshire Hathaway's Performance - Berkshire Hathaway has achieved a cumulative return of 5,789,503% on its Class A shares since Buffett became CEO, significantly outperforming the S&P 500's 41,400% return over the same period [2][3] - The company's primary investment portfolio was valued at $292.3 billion as of July 7 [8] Group 2: New England Asset Management - NEAM closed the March-ended quarter with $616 million in assets under management, allowing for tracking of its buying and selling activities similar to Berkshire's primary portfolio [10] - The portfolio includes diversified ETFs and well-known companies, alongside investments in quantum computing [11] Group 3: Quantum Computing Investments - NEAM holds shares in Alphabet (5,195 shares) and Microsoft (4,530 shares), both of which are key players in the quantum computing field [15][21] - Alphabet's Willow chip has shown the ability to perform complex calculations significantly faster than traditional supercomputers, although it is not yet commercialized [19][20] - Microsoft is integrating its Majorana 1 quantum processing unit with Azure Quantum, aiming to enhance research capabilities and solve complex problems [24][25]

Core Insights - Quantum computing has the potential to solve problems that are currently impossible for traditional supercomputers due to the unique properties of quantum qubits [1] - Current quantum computers are not yet capable of solving real-world problems faster than traditional computers, with notable benchmarks lacking practical applications [2] - Error correction remains a significant challenge in quantum computing, as qubits are fragile and prone to errors during computations [4] Company Developments - IBM aims to achieve full-scale quantum error correction by 2029 and true quantum advantage by the end of 2026, supported by a clear roadmap [6] - IBM's Nighthawk quantum processor, set to release this year, will feature 120 qubits and 5,000 quantum gates, with plans for future iterations to enhance capabilities [7] - The development of Starling, a fault-tolerant quantum computer, is planned for 2028, with a roadmap that includes three iterations of quantum chips leading up to its release [8][9] Market Potential - The economic value generated by quantum computing is estimated to reach $850 billion by 2040, with the market for quantum hardware and software potentially worth $170 billion [11] - IBM's current stock valuation appears reasonable given the potential of quantum computing, trading at approximately 19 times free cash flow based on the company's outlook for 2025 [12] - The company's hybrid cloud and artificial intelligence businesses are currently driving growth, while quantum computing is expected to contribute significantly in the 2030s and beyond [12]

Core Insights - The quantum computing sector is experiencing significant breakthroughs, with major advancements from global tech giants and research institutions [1][3][5] Group 1: Global Developments in Quantum Computing - Nvidia's CEO Jensen Huang stated that the industry is at a turning point in quantum computing, supported by recent global advancements [1] - Google demonstrated the world's first logical quantum bit in 2023 and plans to release the Willow chip with 105 quantum bits by December 2024, significantly outperforming supercomputers [3] - The University of Science and Technology of China introduced the "Zuchongzhi 3," also featuring 105 quantum bits, showcasing competitive advancements in the field [3] - A recent record was set by physicists at Oxford University for single quantum bit control precision, achieving an error rate as low as 0.000015% [3] Group 2: Domestic Developments in Quantum Computing - The domestic quantum computing sector is thriving, with GuoDun Quantum actively investing in the field [5] - The Anhui Quantum Computing Engineering Research Center reported that China's third-generation autonomous superconducting quantum computer "Benyuan Wukong" has been operational since January 2024, achieving notable results [5] - The integration of quantum computing into industry is progressing, indicating a new landscape of "intelligent integration" that could reshape the technology sector [5] Group 3: Related Companies and Investments - Keda Guokong is involved in quantum precision measurement and quantum computing through its stake in Guoyi Quantum, potentially extending its technology synergy to quantum communication [6] - Tianrongxin is investing in quantum communication technology through its subsidiary, covering quantum key distribution devices and network security solutions [7] - AVIC Optoelectronics provides high-precision optical connectors for quantum communication, with its technology recognized in the military sector [7] - Sanlisi's subsidiary, Ban Quantum, holds patents in quantum communication and is participating in the construction of quantum backbone networks, focusing on quantum-resistant encryption [7] - A notable company, collaborating with Huawei and GuoDun Quantum on quantum communication chips, is highlighted as a "hidden champion" in quantum technology, with significant institutional backing [7]

如果您希望可以时常见面，欢迎标星收藏哦~ 来源：内容 编译自 earth 。 微软对新型量子计算设计的追求引发了广泛关注。其最新研究重点关注一种特殊的亚原子实体，这 种实体可以为曾经被视为不可能完成的任务提供更快、更可靠的计算能力。 "经过17年的努力，我们展示的成果不仅令人难以置信，而且是真实的。它们将从根本上重新定义 量子计算的下一阶段如何展开，"微软该部门负责人祖尔菲·阿拉姆（Zulfi Alam ）生动地描述了 这项工作。 意大利物理学家埃托雷·马约拉纳于 1937 年首次提出了马约拉纳费米子，强调了一种自身就是反 粒子的粒子。 由于这一概念具有增强量子硬件抗噪声能力的潜力，科学家们几十年来一直在追寻这一概念。 当信号因环境干扰而变得混乱时，量子硬件就会陷入困境。 Majorana 1的设计目的是通过以所谓的拓扑超导模式排列量子位来减轻这些影响，从而偏转常见 的干扰。 这一策略旨在让科学家在不牺牲速度的情况下获得更好的读数。 "我们将不再需要进行实验。你可以想象这样一个世界：科学家可以计算他们想要的材料，而且他 们的计算精度非常高，以至于第一次就能计算正确。"阿拉姆解释道。 微软的新芯片 Majora ...

Quantum computers hold the potential to evolve artificial intelligence (AI) and the broader computing industry to unprecedented heights. The properties of quantum mechanics enable these devices to execute complex calculations beyond the abilities of the most powerful supercomputers. Among the businesses racing to capture a piece of this market is pure-play quantum company Rigetti Computing (RGTI 1.56%) and tech goliath Microsoft (MSFT 0.89%). Many avenues exist to pursue quantum technology, and these two ar ...

Core Viewpoint - The article highlights Amazon's skepticism towards Microsoft's claims of a breakthrough in quantum computing with its new processor "Majorana 1," suggesting a gap between marketing and technological reality [1][2]. Group 1: Amazon's Response to Microsoft's Claims - Amazon's quantum technology head, Simone Severini, expressed doubts about Microsoft's claims, stating that the published research does not substantiate the performance of the Majorana 1 processor [2][4]. - Severini's email questioning the credibility of Microsoft's announcement was shared with other Amazon executives, indicating internal concern about the claims [3]. - Amazon's quantum hardware lead, Oskar Painter, criticized Microsoft's marketing efforts, suggesting that they have reached a new level of exaggeration [7][8]. Group 2: Expert Opinions on Quantum Computing - Experts have shown caution regarding the practical applications of quantum chips, with some stating that Microsoft's research, while impressive, lacks significance for building usable quantum computers [11][12]. - Criticism of Microsoft's claims includes the assertion that the technology is not yet scalable and lacks peer review, with researchers acknowledging that their results do not confirm the existence of Majorana zero modes [12]. - The CEO of Oxford Ionics noted that the quantum computing industry is still in its early stages, with many experts uncertain about the advancements claimed by tech companies [18][19]. Group 3: Timeline for Quantum Computing Commercialization - Microsoft believes that large-scale industrial quantum computers could be developed in a few years, contrasting with Amazon's more cautious estimate of 10 to 20 years for commercialization [16][17][18]. - The differing timelines reflect the broader uncertainty in the industry regarding the actual readiness of quantum computing technology for practical applications [16][18].

作者：MD 出品：明亮公司 2月19日，微软宣布， 全球首款拓 扑 量子芯片Major ana 1发布， 据相关报道，该芯片由微软公司 历时近20年研发，有望于2030年之前上市。而微软的目标是未来在量子芯片上实现百万个 量子比特 的相 干操纵。 据第一财经报道，Majorana 1是基于全新的物质状态——"拓扑"构建而成的全球首款拓扑量子芯片， 采用了半导体砷化铟和超导体铝材料。 微软在2月19日发布的一篇博客中称，开发合适的材料来构建量子比特，并理解量子比特相关的物质 拓扑状态的难度极大，这也是大多数量子研究都集中在其他类型量子比特的原因。 同日，微软CEO萨提亚·纳德拉与主播Dwarkesh Patel的播客访谈也对此进行了讨论。在1小时17分钟 的访谈中，纳德拉分享了他对于微软在量子计算领域取得突破的感受、过程（" 这对我们来说是一个 30年的旅程。"） 和未来潜在的应用场景。此外，纳德拉还着重分享了他对于AI在法律和社会治理层 面的思考，以及AGI的认知，目前AI领域的技术突飞猛进，但 纳德拉认为AGI来临的真正标志是世 界经济增长10%。 关于DeepSeek带来的成本变化，此前纳德拉在X上提到的 ...