Signal Moves Ahead on Post-Quantum Computing, But Still Sucks Ass When You Switch Phones

Daring Fireball
By John GruberOct 22, 2025, 7:07 pm510 ptsTop
Graeme Connell and Rolfe Schmidt, writing earlier this month on the Signal blog: 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…

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