cryptologie.net

cryptography, security, and random thoughts

 RSS ↗

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.”

← back to all posts

Type at least two characters to search.

    Two And A Half Coins episode 5: Bitcoin transactions, the Bitcoin script and UTXOs

    blog

    In the 5th episode of this series I interview Arik Sosman (our very first guest!) in order to learn more about Bitcoin transactions. Specifically, how the Bitcoin scripting language works, and what UTXOs are!

    suggested reads:
    → Two And A Half Coins #7 - It's time to talk about Ethereum • blog
    → Two And A Half Coins episode 4: More on Bitcoin: 51% attacks and Merkle trees! • blog
    → Manually making a transaction in bitcoins • blog
    ← back to all posts blog • 2023-05-22

    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.