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The 9-Minute Deadline: Google's Quantum Threat to Bitcoin

<table> <tr><td> <a href="https://www.reddit.com/r/btc/comments/1s9x6yl/the_9minute_deadline_googles_quantum_threat_to/"> <img src="https://preview.redd.it/32fzetbc7nsg1.jpeg?width=640&crop=smart&auto=webp&s=05de7b68011bd3d03ee7cb0e039d4bf851f197be" alt="The 9-Minute Deadline: Google's Quantum Threat to Bitcoin" title="The 9-Minute Deadline: Google's Quantum Threat to Bitcoin" /> </a> </td><td> <!-- SC_OFF --><div class="md"><p>For years, the crypto industry dismissed quantum computing as a distant threat. Breaking Bitcoin’s encryption would require millions of physical qubits—technology decades away. This week, that timeline violently collapsed.</p> <p>Two bombshell research papers from Google Quantum AI and a joint Caltech/Oratomic team slashed the resource requirements for breaking Bitcoin’s 256-bit elliptic curve cryptography (ECC-256) by multiple orders of magnitude. The gap to "Q-Day" has narrowed from decades to mere years, forcing a frantic reevaluation of post-quantum security.</p> <h1>The 9-Minute Hijack</h1> <p>Google’s model reveals a chilling scenario: real-time transaction hijacking. When Bitcoin is sent, the public key is briefly exposed in the mempool before confirmation. A fast-clock quantum computer could derive the private key from that exposed public key in approximately nine minutes . Since Bitcoin blocks settle every 10 minutes, an attacker would have a 41% chance of redirecting the funds before the original transaction confirms .</p> <p>Ironically, Bitcoin’s 2021 Taproot upgrade—designed to improve privacy—may have worsened this vulnerability. Taproot makes public keys visible by default, widening the pool of exposed wallets. Currently, an estimated 6.9 million Bitcoin (one-third of the circulating supply) sit in wallets with exposed public keys .</p> <h1>The Post-Quantum Pivot</h1> <p>The market reacted swiftly. While Bitcoin experienced a slight pullback, tokens associated with post-quantum cryptography surged. The Quantum Resistant Ledger (QRL), utilizing a quantum-safe signature scheme called XMSS, saw its native token surge over 40% in 24 hours .</p> <p>This underscores a critical pivot. The industry narrative must urgently shift from scaling solutions to post-quantum cryptography (PQC). For digital asset trading platforms like BitMart, staying ahead of these shifts is paramount. Exchanges that prioritize listing thoroughly vetted, quantum-resistant infrastructure projects will provide users with a critical edge as the market rapidly reprices security risk.</p> <h1>A 2029 Deadline?</h1> <p>Upgrading a decentralized network to post-quantum cryptography requires a hard fork—a logistical and political nightmare. PQC signatures demand significantly more bandwidth and storage . As Binance founder Changpeng Zhao noted, reaching community consensus for such massive changes often results in fierce debates and competing network forks .</p> <p>Google has reportedly moved up its internal timeline for post-quantum migration to 2029 . For the crypto industry, this is a de facto deadline. The quantum threat is no longer a theoretical exercise; it is an engineering reality moving at breakneck speed. The race to secure the foundation of digital trust has officially begun.</p> </div><!-- SC_ON -->   submitted by   <a href="https://www.reddit.com/user/BitMartExchange"> /u/BitMartExchange </a> <br/> <span><a href="https://i.redd.it/32fzetbc7nsg1.jpeg">[link]</a></span>   <span><a href="https://www.reddit.com/r/btc/comments/1s9x6yl/the_9minute_deadline_googles_quantum_threat_to/">[comments]</a></span> </td></tr></table>