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Google has set 2029 as its internal deadline to complete post-quantum cryptography migration across its infrastructure.

Google said this on 2026-03-25. The Ledger scores it on 2029-12-31, against criteria fixed on 2026-08-27.

Tracking

Archived copy: https://web.archive.org/web/20260825224328/https://blog.google/innovation-and-ai/technology/safety-security/cryptography-migration-timeline/

How it is scored

Resolves VERIFIED if Google publicly states, by 31 Dec 2029 (plus grace), that its own infrastructure's post-quantum cryptography migration is complete, consistent with the phased plan in the same post (store-now-decrypt-later priority items by end of 2027). PARTIALLY_VERIFIED if the store-now-decrypt-later-priority subset is done but the full migration is not. NOT_VERIFIED if neither has happened by the deadline plus grace.

Sources that will settle it: https://blog.google/innovation-and-ai/technology/safety-security/, https://security.googleblog.com, https://cloud.google.com/security/resources/post-quantum-cryptography.

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