Elliptic Curve Quantum, New research from Google shows that quantum computers could require far less .

Elliptic Curve Quantum, Mar 31, 2026 · These considerations guide our careful disclosure of updated resource estimates for quantum attacks on blockchain technology based on elliptic curve cryptography. In this work, we propose a method for evaluating the group operation of an elliptic curve (over the reals) using a continuous-variable quantum system. According to the white paper, solving the elliptic curve discrete logarithm problem may require roughly 1,200 logical qubits and under 500,000 physical qubits, with attack times Apr 1, 2026 · Now, scientists have calculated that a widely used type of encryption called elliptic curve cryptography could be thwarted with a quantum computer with 9,988 qubits — although it would take May 13, 2026 · Quantum computing is emerging as a significant threat to elliptic curve cryptography, which underpins many cryptographic systems. Apr 24, 2026 · A quantum computer was able to break a 15-bit elliptic-curve cryptographic key, according to the quantum computing security research company Project 11. The timeline for quantum computing’s impact on cryptography is accelerating, with practical applications expected sooner than previously thought. Mar 31, 2026 · The paper presents two optimized quantum circuits for solving the 256-bit Elliptic Curve Discrete Logarithm Problem (ECDLP-256). "Unfortunately, the growth of elliptic curve use has bumped up against the fact of continued progress in the research on quantum computing, necessitating a re-evaluation of our cryptographic strategy. Apr 24, 2026 · Independent researcher Giancarlo Lelli broke a 15-bit elliptic curve key on publicly accessible quantum hardware, 512 times larger than the previous public demonstration in September 2025. Mar 31, 2026 · Building a utility-scale quantum computer that can crack one of the most vital cryptosystems—elliptic curves—doesn’t require nearly the resources anticipated just a year or two ago, two Mar 30, 2026 · This whitepaper seeks to elucidate implications that the capabilities of developing quantum architectures have on blockchain vulnerabilities and mitigation strategies. First, we provide new resource estimates for breaking the 256-bit Elliptic Curve Discrete Logarithm Problem, the core of modern blockchain cryptography. Their work optimises the computationally intensive modular 8 hours ago · Large-scale quantum machines could break the hard problems behind today’s elliptic-curve systems, pushing the industry toward post-quantum key exchange and hybrid designs that combine classical and quantum-resistant mechanisms while standards, implementations, and operational practices continue to mature. 5 billion), which is why the runtime collapses from a week to minutes. Key Takeaways Quantum computing poses a significant threat to the security of elliptic curve cryptography, which underpins many digital assets. New research from Google shows that quantum computers could require far less Apr 24, 2026 · NEW YORK, April 24, 2026 /PRNewswire/ -- Project Eleven today awarded the Q-Day Prize, a one Bitcoin bounty, to Giancarlo Lelli for breaking a 15-bit elliptic curve key on a publicly accessible Apr 24, 2026 · Project Eleven awards the Q-Day Prize for the largest quantum attack on elliptic curve cryptography to date, highlighting growing quantum risks to Bitcoin, Ethereum, and ECC-secured digital assets. Han Luo and colleagues at Peking University and Tsinghua University present an approach that sharply reduces the number of logical qubits needed to break widely used elliptic-curve cryptosystems. We demonstrate that Shor's algorithm for this problem can execute with Mar 30, 2026 · Securing Elliptic Curve Cryptocurrencies against Quantum Vulnerabilities: Resource Estimates and Mitigations Ryan Babbush,1, ∗ Adam Zalcman,1, † Craig Gidney,1, ‡ Michael Broughton,1 Tanuj Khattar,1 Hartmut Neven,1 Thiago Bergamaschi,1,2 Justin Drake,3 and Dan Boneh4 Apr 8, 2026 · A new algorithm efficiently solves the Elliptic Curve Discrete Logarithm Problem, addressing a fundamental challenge to quantum security. There is an urgent need to transition to postmodern cryptography to safeguard digital assets from quantum threats. But it would be vulnerable to quantum computers big enough to run Shor's algorithm. Oct 15, 2024 · In this work, we propose a method for evaluating the group operation of an elliptic curve (over the reals) using a continuous-variable quantum system. " Jun 4, 2018 · Elliptic curve cryptography is not presently vulnerable to quantum computing because there are no quantum computers big and reliable enough to matter. Mar 31, 2026 · In a whitepaper published March 31, Google Quantum AI researchers demonstrated that breaking the elliptic curve cryptography protecting bitcoin, ether and most major cryptocurrencies could require . Mar 31, 2026 · Google has updated its estimates of the quantum computing resources needed to break elliptic curve cryptography. Recent advancements have drastically reduced the number of qubits needed for error-corrected quantum Mar 31, 2026 · Insider Brief Google researchers report that improved quantum algorithms could break widely used cryptocurrency encryption with fewer resources than previously estimated, tightening the timeline for security upgrades. 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