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A new report highlights the growing risk of quantum computing to Bitcoin's security, warning that quantum attacks could potentially drain 6.9 million BTC, including Satoshi Nakamoto's estimated holdings. The analysis explains that quantum computers could break Bitcoin's elliptic curve cryptography, allowing hackers to steal funds from existing wallets. Experts estimate that 6.9 million BTC, or about 40% of the total supply, is vulnerable due to the use of ECDSA (Elliptic Curve Digital Signature Algorithm) in Bitcoin's address structure.
This threat has significant implications for the crypto market, as Bitcoin's security model relies on cryptographic algorithms that are not quantum-resistant. Institutional investors and traders are now monitoring developments in quantum-resistant blockchain solutions, with companies like IBM and Google advancing quantum computing capabilities. The potential for a quantum attack could trigger panic selling if no mitigation strategies are implemented by 2028, when experts predict quantum computers will achieve sufficient processing power.
Market participants should watch for updates from Bitcoin's development community on quantum-resistant upgrades like Schnorr signatures or lattice-based cryptography. The U.S. National Institute of Standards and Technology (NIST) is also finalizing quantum-resistant algorithms that could influence Bitcoin's future security protocols. For now, the threat remains theoretical but is gaining urgency as quantum computing progresses.
