Original sourcecryptobriefing.com
Summary
Blockstream has begun integrating post-quantum cryptography in production. In March 2026, the company completed the first transaction on Liquid Network mainnet using the quantum-resistant signature scheme SHRINCS, implemented via Simplicity smart contracts without consensus changes, allowing opt-in…
Key points
- For long-term holders and institutions worried about quantum computer threats, this represents a concrete, opt-in quantum-resistant upgrade path within the Bitcoin ecosystem.
- The pragmatic integration of post-quantum cryptography proves the crypto ecosystem is taking quantum threats seriously and advancing protective upgrades in a gradual, non-disruptive manner.
- Institutions holding large Bitcoin amounts or settling on Liquid can start evaluating migration of some assets to quantum-resistant addresses; hardware wallet users can expect future firmware updates offering enhanced long-term security.
- Contrast with July 12, 2026 reporting on quantum computer threats and accelerated industry post-quantum migration— Blockstream’s move is a significant step from theory to implementation.
Editorial note
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