cryptography, security, and random thoughts

Hey! I'm David, cofounder of zkSecurity and author of Real-World Cryptography.

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I'm also an advisor at Archetype. I was previously a cryptography architect of Mina at O(1) Labs, the security lead for Libra/Diem at Facebook, and a security engineer at the Cryptography Services of NCC Group. Welcome to my blog about cryptography, security, and other related topics.

“Cryptologie” is the French spelling of “cryptology.”

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For Sale: 50,000 Bitcoins

2014-11-18 blog

Just a few weeks after Silk Road 2.0 and its owner got seized, the US government posted this:

THIS SEALED BID AUCTION IS FOR A PORTION OF THE BITCOINS CONTAINED IN WALLET FILES THAT RESIDED ON CERTAIN COMPUTER HARDWARE BELONGING TO ROSS WILLIAM ULBRICHT, THAT WERE SEIZED ON OR ABOUT OCTOBER 24, 2013 (“COMPUTER HARDWARE BITCOINS”).

http://www.usmarshals.gov/assets/2014/dpr-bitcoins/

Apparently it’s from the first Silk Road. Pretty comical.

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book Real-World Cryptography Applied cryptography, from Manning. podcast Two And A Half Coins Crypto, banking & distributed systems. youtube Cryptography videos Concepts & security, explained.

For Sale: 50,000 Bitcoins

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