@aofeisheng please see the HN guidelines: "Otherwise please use the original title, unless it is misleading or linkbait; don't editorialize."
> Please don't post on HN to ask or tell us something. Send it to hn@ycombinator.com.
Isn't WireGuard post-quantum safe with pre-shared keys?
> ...connections are made through port 443, which for both TCP and UDP blends in well with general HTTP/3 traffic and is less susceptible than Wireguard to blocking.
HTTP3 over QUIC is blanket blocked in many countries (due to QUIC's built-in censorship resistance).
Edit, correction: the one considered standard algorithm was broken https://www.theregister.com/2022/08/03/nist_quantum_resistan...
And yes, anything which uses symmetrical keys is post-quantum safe. But you can't always use them and there are other problems.