Abstract The core correction is this: Google has not “moved Q-Day to 2029.” What Google actually did on March 25, 2026 was announce an internal 2029 target for completing its own post-quantum cryptography migration, explicitly tying that acceleration to progress in quantum hardware, quantum error correction, and quantum factoring resource estimates. In other words, 2029 … Leggi tutto Google’s 2029 Post-Quantum Deadline Is a Migration Target, Not the Arrival Date of Q-Day