Signal Blog company blog
Signal Protocol and Post-Quantum Ratchets
We are excited to announce a significant advancement in the security of the Signal Protocol: the introduction of the Sparse Post Quantum Ratchet (SPQR). This new ratchet enhances the Signal Protocol’s resilience against future quantum computing threats while maintaining our existing security guar...
- Points
- 637
- HN comments
- 287
- Submissions
- 1
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- 0 commenters
Security & PrivacyNetworking & Internet2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Oct 2, 2025 | Signal Protocol and Post-Quantum Ratchets by pluto_modadic | 637 | 287 |
