Software support
Firefox Nightly 2024-01-18+ if you turn on security.tls.enable_kyber in about:config.
Available with TLSv1.3 including HTTP/3 (QUIC)
This article is also available in Français, Deutsch and Español.
https://blog.cloudflare.com/post-quantum-for-all/
Do any forum users use this Post-Quantum Key?
It is possible to verify with 2 tests:
https://browserleaks.com/tls
You will see it under "Key Exchange"
https://pq.cloudflareresearch.com/
You will see:
"You are using X25519Kyber768Draft00 which is post-quantum secure"