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Quantum Threat to Bitcoin: Urgent Upgrade Needed by 2028

11/7/2025

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Summary

Story summary

The Quantum Doom Clock says Bitcoin’s cryptographic security could be compromised by quantum computing as early as March 8, 2028, with around 1,673 logical qubits.
Analyst Charles Edwards emphasizes urgency for the Bitcoin community to adopt quantum-resistant upgrades to avoid irreversible damage.
Some developers explore post-quantum signature schemes, but the transition timeline remains debated.
Projections suggest major quantum threats may not materialize until the late 2030s or 2040s, allowing preparation.

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Story summary

The Quantum Doom Clock says Bitcoin’s cryptographic security could be compromised by quantum computing as early as March 8, 2028, with around 1,673 logical qubits.
Analyst Charles Edwards emphasizes urgency for the Bitcoin community to adopt quantum-resistant upgrades to avoid irreversible damage.
Some developers explore post-quantum signature schemes, but the transition timeline remains debated.
Projections suggest major quantum threats may not materialize until the late 2030s or 2040s, allowing preparation.