Quantum state restoration and single-copy tomography · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/0912.3823/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTQuantum state restoration and single-copy tomography — mentioned by amlutohttps://news.ycombinator.com/item?id=12665891urn:hackerpapers:mention:0912.3823:12665891Sat, 08 Oct 2016 06:14:36 GMT<p>Best abstract ever. Sadly, the quantum money scheme it&#x27;s based on is insecure [1]. (IIRC the concrete version was broken earlier using quantum state restoration [2] -- shameless plug!) The concept is extremely cool, though, and I hope they find an alternate construction for it. I suspect it will be very hard to base it on the Farhi et al. money [3] because that scheme has no secrets at all, which means that the public key doesn&#x27;t naturally map onto it. On the other hand, it just might be possible to shoehorn it in by using the list of valid serial numbers as the (rather long but very…</p><p><a href="https://hackerpaper.kaipfister.de/p/0912.3823/">Paper and discussion history</a>. A mention is not an endorsement.</p>quant-ph