https://hackerpaper.kaipfister.de/p/2405.20295/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=41214077urn:hackerpapers:mention:2405.20295:41214077Sun, 11 Aug 2024 04:58:35 GMT<p>I&#x27;ve skimmed some literature on Quantum Crypto and from my understanding the outstanding issues currently are 1. How to make these work over long distances and 2. How to implement features found in PKI authentication (though QKD schemes are theoretically secure against MITM attacks, there still isn&#x27;t a quantum cryptography scheme yet to ensure that you are talking to a non-adversary). There have been advances with the 1st problem, but the 2nd is trickier. Tbf, you don&#x27;t strictly need PKE to have secure communication between 2 parties (look at Section 6 in…</p><p><a href="https://hackerpaper.kaipfister.de/p/2405.20295/">Paper and discussion history</a>. A mention is not an endorsement.</p>quant-ph