BlackRock issues rare warning: Is Bitcoin’s future at risk from quantum tech?

BlackRock’s quantum computing warning serves as a call to action for the cryptocurrency ecosystem to address the looming challenges.

In a rare move, BlackRock has quietly added a new line to its iShares Bitcoin Trust (IBIT) filing — and it is turning heads. The update, submitted in early May 2025, flags quantum computing as a potential risk to Bitcoin’s long-term security.

The filing specifically warns that if quantum tech advances far enough, it could break the cryptographic systems that secure Bitcoin. 

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