Google's latest quantum processor hit 1,000 qubits, ten times the previous public milestone, and the implications for cryptography are already being argued.
Google announced its newest quantum processor has reached 1,000 working qubits, a tenfold leap over the chip the company had previously held up as a benchmark. The team published preprints alongside the announcement, and the academic community is already beginning the hard work of replication.
The numbers matter, but error-corrected qubits matter more. Google says the new chip's error correction is ahead of where the previous generation was, even after accounting for the much larger system size. If that holds up under scrutiny, the timeline for usable, error-corrected quantum computing collapses.
For cryptography, the long-term implications are obvious and uncomfortable. Standard public-key crypto relies on math that a sufficiently large quantum computer can break. Standards bodies have been pushing post-quantum migration for years, but most institutions have moved at a glacial pace.
Google was careful to caveat that today's machine is still a research instrument and is not running production workloads. But the message to enterprise security teams is unsubtle: stop treating post-quantum migration as a problem for next decade.