# Blockstream Researchers Sweep 25,935 Parameter Sets to Shrink Bitcoin's Post-Quantum Signatures

The chosen configuration makes the stateless fallback roughly a quarter smaller than the standardized alternative, and an open explorer lets anyone check or beat the result.

- Published: 2026-08-08T05:55:47.567Z
- Canonical: https://polylog.news/crypto/2026-08-08/blockstream-researchers-sweep-25-935-parameter-sets-to-shrin
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Blockstream Blog](https://blog.blockstream.com/searching-for-shrincs-parameters/)

Blockstream Research has published the parameter search behind SHRINCS, the hash-based signature scheme it proposes for a post-quantum Bitcoin. The team swept 25,935 candidate parameter sets and selected a configuration that makes the schem…

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