Hey! I'm David, cofounder of zkSecurity and the author of the Real-World Cryptography book. I was previously a crypto architect at O(1) Labs (working on the Mina cryptocurrency), before that I was the security lead for Diem (formerly Libra) at Novi (Facebook), and a security consultant for the Cryptography Services of NCC Group. This is my blog about cryptography and security and other related topics that I find interesting.

Write up of the hackMIT admission puzzle posted July 2014

catmit

A nice and not too hard puzzle that could get you signed up for HackMIT, here's the write up: https://medium.com/hackmit-2014/joining-the-fancycat-club-hackmit-14-puzzle-guide-6f4ebef5b69

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