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Did Giancarlo Lelli Just Bluff His Way Through The QDay Prize?

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⚡ Quantum Brief
A 15-bit elliptic curve cryptography break claimed by Giancarlo Lelli won Project Eleven’s Q-Day Prize in April 2026, sparking controversy over its legitimacy. Independent reviews by university quantum programmers and AI tools flagged Lelli’s submitted GitHub code as technically suspect, raising doubts about its scalability or quantum advantage. The submission appears to lack core elements of a functional quantum algorithm, with critics calling it a "toy" implementation rather than a breakthrough in cryptographic attacks. Judges faced scrutiny for awarding the prize without rigorous peer validation, exposing potential gaps in competition oversight and technical vetting processes. The incident underscores broader concerns about hype versus substance in quantum computing milestones, particularly in high-stakes cryptographic challenges.
Did Giancarlo Lelli Just Bluff His Way Through The QDay Prize?

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Project Eleven awarded its Q-Day Prize to Giancarlo Lelli for demonstrating a 15-bit elliptic curve key break on a quantum computer. Ref: https://thequantuminsider.com/2026/04/24/project-eleven-q-day-prize-quantum-ecc-attack/ I'm not a Quantum Computing expert in anyway. Other people have Ph.D.'s and Post Docs. I am a quantum computing evangelist at best and I follow all announcements with interest and try to learn from them. So I located Giancarlo Lelli's Github Repo with the submission he made to the QDay Prize. I was shocked to read the code. So I got it reviewed by a few quantum programmers at the university nearby. They were shocked too. Ref: https://github.com/GiancarloLelli/quantum I also got the codebase reviewed by chatgpt. https://chatgpt.com/share/69edbd73-d3d4-8320-b0cb-4715da7cc80a https://chatgpt.com/share/69ecaf5c-8618-8320-a5f8-1e80e55ed076 I think the Judges were very gullible. Its a shame this is the state of affairs of a global competition. What is your technical assessment? is the submission a scalable pure quantum algorithm or is it a toy? submitted by /u/Significant_Wish7652 [link] [comments]

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Source: Reddit r/QuantumComputing (RSS)