Witnessory – a signed record of the web's move to post-quantum crypto
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Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Summary
Witnessory is a Show HN project that measures how widely the internet has adopted post-quantum cryptography, reporting 58.9% of the top 10,000 sites negotiating post-quantum TLS and 51.3% of SSH servers offering post-quantum key exchange as of 2026-10-29.