David Wong

cryptologie.net

cryptography, security, and random thoughts

Hey! I'm David, cofounder of zkSecurity, research advisor at Archetype, and author of the Real-World Cryptography book. 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.

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

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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
currently reading:
Two And A Half Coins episode 5: Bitcoin transactions, the Bitcoin script and UTXOs
05-22 blog
recent posts:
New cryptologie.net
07-20 blog
Weaponizing AI Assistants: With Their Permission
07-20 blog
What are Schwartz-Zippel circuits? How do they relate to iterative constraint systems?
05-29 blog
Short Note On Montgomery Reduction: Why Operating Modulo b?
05-24 blog
Still confused by Plonk's permutation?
03-13 blog
📖 my book
Real-World Cryptography is available from Manning Publications.
A practical guide to applied cryptography for developers and security professionals.
🎙️ my podcast
Two And A Half Coins on Spotify.
Discussing cryptocurrencies, databases, banking, and distributed systems.
📺 my youtube
Cryptography videos on YouTube.
Video explanations of cryptographic concepts and security topics.