Bitcoin News
By James Thorp
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What the Numbers Mean. The 512-times power increase over prior records sounds abstract until you think about what it…
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Industry Scrambles for Solutions. The crypto community is watching these developments pretty closely.
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The Clock Is Ticking. Quantum-resistant cryptography exists. The National Institute of Standards and Technology…
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A researcher just broke a 15-bit elliptic crypto key using a publicly accessible quantum computer. The feat won them 1 Bitcoin.
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The achievement marks a jump in quantum computing power—512 times stronger than the previous known record. That's not a small leap.
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The 15-bit key broken here isn't actually used to secure real Bitcoin transactions. Practical Bitcoin security relies on much larger keys—256-bit keys, to be specific.
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Classical computers would need billions of years to crack a 256-bit key through brute force.
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Cryptographers have known about the quantum threat for years. They've been working on something called post-quantum cryptography—encryption methods designed to resist quantum…
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The crypto community is watching these developments pretty closely. Some developers are already testing quantum-resistant algorithms.
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Upgrading blockchain security isn't simple. You can't just swap out one encryption method for another without risking bugs, compatibility issues, or worse.
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More context: Bitcoin Price Climbs While Traders Bet Against Rally in Unusual Market Split
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The 1 Bitcoin bounty for breaking the 15-bit key was probably meant as a proof-of-concept challenge. Someone wanted to see if it could be done on a publicly accessible machine.
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No one's breaking Bitcoin's 256-bit keys anytime soon. The gap between 15 bits and 256 bits is enormous—not just 241 bits larger, but exponentially harder to crack.
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Quantum-resistant cryptography exists. The National Institute of Standards and Technology finalized post-quantum encryption standards recently.
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There's a kind of paradox here. Bitcoin's security depends on its code being stable and predictable. Changing core cryptographic functions is risky.
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