BlackRock, in a recent update to its S-1 filing for its IBIT Bitcoin spot ETF, highlighted a potential risk to Bitcoin's security: quantum computers. The financial giant acknowledges that the development of sufficiently powerful quantum computers could compromise the cryptographic underpinnings of the Bitcoin network. Specifically, BlackRock warns that malicious actors could leverage quantum technology to gain unauthorized access to Bitcoin wallets, potentially draining funds. While the exact timeline and capabilities of quantum computers remain uncertain, this concern underscores the need for ongoing research and development in quantum-resistant cryptography within the Bitcoin ecosystem. Experts are exploring potential solutions like lattice-based cryptography to safeguard Bitcoin against future quantum attacks. The long-term viability of Bitcoin may depend on proactively addressing this emerging threat. ```

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