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Prioritizing research on quantum-resistant signature schemes stories

Aug 27, 2026

Blockstream publishes Bitcoin improvement proposal for quantum-resistant SHRINCS signatures

Blockstream Research published a draft Bitcoin improvement proposal for SHRINCS, a hash-based post-quantum signature scheme relying only on SHA-256. The design targets roughly 3 transactions per second under the witness discount and would require a soft fork to activate.

Aug 27, 2026·1 source
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Top claims

  • ▪SHRINCS keeps Bitcoin usable where NIST schemes would choke
  • ▪Bitcoin can go post-quantum with SHA-256 alone

People involved

Jonas Nick

Subtopics

Bitcoin1Bitcoin protocol & upgrades1Blockchain quantum resistance1Cryptocurrencies1Cryptography1Digital signatures1SHRINCS1

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