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BlackRock Issues Rare Warning: Is Bitcoin’s Future at Risk From Quantum Tech?

  • BlackRock, the world's largest asset manager with over $11.6 trillion in assets, recently warned about quantum computing's threat to Bitcoin security in its iShares Bitcoin Trust ETF prospectus.
  • This warning follows advancements in quantum algorithms like Shor's, which could break Bitcoin's elliptic curve digital signatures and SHA-256 hashing, core to its transaction security.
  • Experts note that a quantum computer could derive private keys from public keys, threatening older wallets holding around 5.9 million BTC and jeopardizing all recorded transactions once 'Q-Day' arrives.
  • Google researchers recently revised hardware estimates downward to under one million qubits needed to break Bitcoin's encryption, indicating the timeline for a threat may be shorter than previously expected.
  • The industry is actively pursuing quantum-resistant cryptography, with experts stressing urgent protocol upgrades to prevent network splits and secure Bitcoin's future against advancing quantum threats.
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Cryptocurrency News | Cryptocurrency Prices | Market Cap broke the news in on Monday, May 26, 2025.
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