Recent warnings from BlackRock and Google regarding potential threats from quantum computers are raising growing concerns about the security of Bitcoin and other cryptocurrencies. Threats are expected to emerge as early as 2027.
Quantum Risks: BlackRock's Bitcoin ETF Updates
In May 2025, BlackRock updated its Bitcoin ETF filings to highlight threats posed by quantum technology. This warning marked the first significant institutional acknowledgment of Bitcoin's vulnerability to quantum attacks.
> "Quantum milestones are ahead of expectations. Investors need to factor Q-Day into their long-term risk strategy." — **BlackRock's Risk Unit**
Google's Predictions of Quantum Breakthroughs by 2027
Google's quantum computing team, led by **Dr. Elena Orlova**, projected that quantum computers capable of breaking Bitcoin's encryption could emerge by 2027-2030. Dr. Orlova emphasized the accelerated pace of advancements in quantum technology.
Institutional Shift Following BlackRock's Alerts
BlackRock's warnings have already initiated discussions among institutional investors, potentially influencing risk assessments related to Bitcoin holdings. SEC-flagged updates provide an authoritative voice in the discourse regarding quantum threats.
Although there have been no successful quantum attacks on Bitcoin to date, discussions about post-quantum cryptographic upgrades are ongoing. This may lead to an increased focus on researching quantum-resistant technologies, which could impact cryptocurrency security and market stability.