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Attack of the week: Airdrop tracing
It’s been a while since I wrote an “attack of the week” post, and the fault for this is entirely mine. I’ve been much too busy writing boring posts about Schnorr signatures! But this week’s news brings an exciting story with both technical and political dimensions: new reports claim that Chinese security agencies have developed…
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A quick post on Chen’s algorithm
Update (April 19): Yilei Chen announced the discovery of a bug in the algorithm, which he does not know how to fix. This was independently discovered by Hongxun Wu and Thomas Vidick. At present, the paper does not provide a polynomial-time algorithm for solving LWE. If you’re a normal person — that is, a person…
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To Schnorr and beyond (Part 1)
Warning: extremely wonky cryptography post. Also, possibly stupid and bound for nowhere. One of the hardest problems in applied cryptography (and perhaps all of computer science!) is explaining why our tools work the way they do. After all, we’ve been gifted an amazing basket of useful algorithms from those who came before us. Hence it’s…
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Microsoft to Invest $80 Billion in AI Data Centers in Fiscal 2025
More than half of the investment has been earmarked for infrastructure in the U.S. Microsoft President Brad Smith frames AI investment as key to economic growth. Go to Source