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Morning Edition · Friday, August 7, 2026Published at 10:25 AM EDT · New York
Blockstream Swept 25,935 Parameter Sets to Shrink a Post-Quantum Bitcoin Signature Scheme by a Quarter
The research effort refines SHRINCS, a hash-based signature design that already produces signatures roughly 24 times smaller than the U.S. government's SLH-DSA post-quantum standard, and published an open-source tool so anyone can verify or improve the parameter choices.
Blockstream Research published details of a parameter search behind SHRINCS, a post-quantum signature scheme the firm has been developing as a potential future upgrade path for Bitcoin. SHRINCS combines a stateful signing tree for compact e…
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Quantum Risk Moves From Theory to Crypto Roadmaps
Over the next 3-6 months, quantum-resistance becomes a concrete design and custody concern across major chains and institutional custodians, driving opt-in post-quantum schemes and 'long-dormant coin' risk discussion.
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