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Quantum computing research firm Project Eleven has initiated a groundbreaking competition aimed at assessing the potential threat quantum computing poses to Bitcoin. The competition, dubbed the "Q-Day Prize," offers a reward of 1 Bitcoin (BTC) to anyone who can successfully crack the largest portion of a Bitcoin key using a quantum computer within the next year.
Key Takeaways
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Project Eleven is offering 1 BTC for cracking a Bitcoin key using quantum computing.
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The competition aims to evaluate the urgency of the quantum threat to Bitcoin.
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Participants have until April 5, 2026, to complete the challenge.
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The winner will be recognized in cryptography history.
The Challenge Ahead
Launched on April 16, the Q-Day Prize seeks to explore how vulnerable Bitcoin is to advancements in quantum computing. Project Eleven emphasizes that over 10 million Bitcoin addresses have exposed public keys, and with quantum computing technology advancing rapidly, the need for rigorous testing of this threat is critical.
The competition's goal is to run Shor's algorithm on a quantum computer to crack as many bits of a Bitcoin key as possible. This serves as a proof-of-concept that the technique could eventually scale to crack a full 256-bit Bitcoin key when the necessary computational power becomes available.
Prize Details
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Prize Amount: 1 Bitcoin (currently valued at approximately $84,100).
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Deadline: April 5, 2026.
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Eligibility: Open to individuals and teams.
Project Eleven has stated that even cracking a 3-bit key would be significant news, as no elliptic curve cryptography (ECC) key used in real-world applications has ever been successfully cracked. The winner of the competition could potentially make history in the field of cryptography.
The Quantum Computing Landscape
Current estimates suggest that around 2,000 logical qubits (error-corrected) would be necessary to break a 256-bit ECC key. Presently, IBM's Heron chip and Google's Willow can achieve 156 and 105 qubits, respectively. This indicates that while significant progress has been made, the full capability to crack Bitcoin's encryption is still a work in progress.
Project Eleven believes that a 2,000-qubit quantum system could be developed within the next decade, raising concerns about the future security of Bitcoin.
Industry Perspectives
The Bitcoin community is divided on the urgency of the quantum threat. Notable figures, such as Bitcoin cypherpunk Jameson Lopp, have expressed that while the threat is real, it is not yet a crisis. Lopp stated, "I think it's far from a crisis, but given the difficulty in changing Bitcoin, it's worth starting to seriously discuss."
In contrast, Tether CEO Paolo Ardoino has expressed confidence that quantum-proof Bitcoin addresses will be implemented well before any serious threat emerges, highlighting the ongoing discussions within the industry regarding the future of Bitcoin security.
As the competition unfolds, it will not only test the capabilities of quantum computing but also stimulate critical conversations about the future of Bitcoin and its resilience against emerging technologies.
Sources
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