Hi, I'm the author of this blog post!<p>> there is also the likelihood that Q-Day never arrives, either because something we don't know prevents the construction of sufficiently large quantum computers (eg. quantum gravity)<p>That is possible, but given the recent 2029 timelines from large Internet providers, I think it's prudent to prepare for Q-Day even if it never arrives.<p>> or because the entire field was a scam.<p>The field is like... a magnet for scams, sure. But it, itself, isn't one.<p>And, like, the Quantum Village at DEFCON has <i>really</i> failed to establish credibility in my eyes.<p><a href="https://soatok.blog/2022/08/18/burning-trust-at-the-quantum-village-at-defcon-30/" rel="nofollow">https://soatok.blog/2022/08/18/burning-trust-at-the-quantum-...</a><p><a href="https://soatok.blog/2023/08/20/defcon-quantum-village-2-electric-boogaloo/" rel="nofollow">https://soatok.blog/2023/08/20/defcon-quantum-village-2-elec...</a><p>> in that scenario abandoning ECC would have been pretty stupid.<p>Not really, no. See <a href="https://blog.trailofbits.com/2024/07/01/quantum-is-unimportant-to-post-quantum/" rel="nofollow">https://blog.trailofbits.com/2024/07/01/quantum-is-unimporta...</a> for a counter-point.