Blockstream 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, 20261 source

Aug 12, 2026

Crypto firms push AI companies to grant Bitcoin developers early access to frontier models

The Bitcoin Policy Institute, backed by Coinbase, Blockstream, and Strategy, launched an initiative urging AI companies to provide early access to frontier AI models for Bitcoin and open-source developers to strengthen cybersecurity defenses. The push follows an incident where a vetted Bitcoin researcher was blocked from accessing AI cybersecurity tools.

Aug 12, 20262 sources