cryptologie.net

cryptography, security, and random thoughts

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

More about me

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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    Want to learn more about zkBitcoin? I've made some videos

    blog

    My previous article on zkBitcoin blew up, and we got 100 Github stars, a number of contributions on the repository, and some interest from a number of projects, and all of that in a single day!

    So as requested, I made a number of videos to explain what zkBitcoin is.

    suggested reads:
    → Mum, I was on the zkpodcast! • blog
    → ZK HACK: 1st puzzle write up • blog
    → Learn How to Code a zkApp Hello World With Me Using TypeScript • blog
    ← back to all posts blog • 2024-01-28

    recent posts

    The API is English, the deterministic-agentic border is shifting
    blog
    Looking for a cryptography audit? Here's where to go
    blog
    What's next after soulbound NFTs? Self-willed NFTs via zkML
    blog
    How to Make it in a Security Team
    blog
    Getting Into The Zone
    blog

    elsewhere

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