PODCAST · education
Two And A Half Coins
by david wong
This series focuses on teaching you about cryptocurrencies from the very start! We'll start with databases, banks, distributed systems, and we will then go further with Bitcoin, Ethereum, Mina, and other cryptocurrencies that are making the world advance today.About: David Wong is an engineer at O(1) Labs working on the Mina cryptocurrency. Prior to that, he was the security lead for the Diem (also known as Libra) cryptocurrency at Novi, Facebook. And before that a security consultant at the Cryptography Services practice of NCC Group. David is also the author of Real-World Cryptography.
Episodes
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#9 - Tradfi, Central Banks, SWIFT, Libra, CBDCs, with Xavier Lavayssière and Clément Berthou
The hosts discuss the life cycle of a transaction, including the payment and settlement processes. They explain that payments can vary depending on the type of transaction, such as retail, remittances, or e-commerce. Settlements can be done through ACH or RTGS systems, with the latter involving...
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#8 - Consensus protocols, Bitcoin, Fastpay, and Linera with Mathieu Baudet
Bitcoin was the first decentralized consensus protocol, but it was different from traditional Byzantine fault-tolerant (BFT) protocols. Bitcoin prioritized decentralization and liveness over safety, allowing for forks and probabilistic finality. BFT protocols, on the other hand, prioritize safety...
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#7 - It's time to talk about Ethereum
In this episode, David Wong introduces Ethereum and explains its account-based model and the concept of smart contracts. He compares Ethereum to Bitcoin and highlights the advantages of Ethereum's more expressive programming capabilities. He also discusses the execution of transactions and the…
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#6 - Exploring Layer 2 Solutions on Bitcoin
In this episode, David Wong interviews Kevin Hurley and Alex Akselrod to discuss layer 2 solutions on Bitcoin. They explain that layer 2 (L2) is a scalability solution that sits on top of the Bitcoin blockchain and adds additional functionality and programmability. They discuss the history of…
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#5 - Bitcoin transactions: The Bitcoin script and UTXOs with Arik Sosman
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! You can find out more about Arik by following him on twitter:...
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#4 - 51% attacks on proof-of-work chains and Merkle trees!
In this fourth episode I stick with Bitcoin to talk about 51% attacks and double spending in more details. In the second part of the podcast I explain what type of data structure merkle trees are, and why they are used in pretty much all cryptocurrencies.
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#3 - More on Bitcoin: How does mining work? What are hash functions? And what is Proof of Work?
In this third episode we'll dig more into the tech of Bitcoin. But for that, we'll need to talk briefly about cryptographic hash functions and how they work. Once done, we'll talk about mining, proof of work, chains of blocks, and mining pools!
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#2 - Bitcoin from scratch: The Bitcoin client, public keys and signatures, and the miners
In the previous episode we briefly talked about what cryptocurrencies fundamentally are, and what problems they attempt to solve. In this episode we'll dig int our very first cryptocurrency: Bitcoin. This will be a high-level overview that will cover what the software looks like, what…
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#1 - Cryptocurrencies from scratch: databases, the banking world, and distributed systems
This is the first episode of a series on cryptocurrencies. In this series I will tell you about cryptocurrencies from scratch. This first episode is quite non-technical and should be easy to understand for most folks. I will explain what databases are, how banks around the world move money…
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ABOUT THIS SHOW
This series focuses on teaching you about cryptocurrencies from the very start! We'll start with databases, banks, distributed systems, and we will then go further with Bitcoin, Ethereum, Mina, and other cryptocurrencies that are making the world advance today.About: David Wong is an engineer at O(1) Labs working on the Mina cryptocurrency. Prior to that, he was the security lead for the Diem (also known as Libra) cryptocurrency at Novi, Facebook. And before that a security consultant at the Cryptography Services practice of NCC Group. David is also the author of Real-World Cryptography.
HOSTED BY
david wong
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Frequently Asked Questions
How many episodes does Two And A Half Coins have?
Two And A Half Coins currently has 9 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Two And A Half Coins about?
This series focuses on teaching you about cryptocurrencies from the very start! We'll start with databases, banks, distributed systems, and we will then go further with Bitcoin, Ethereum, Mina, and other cryptocurrencies that are making the world advance today.About: David Wong is an engineer at...
How often does Two And A Half Coins release new episodes?
Two And A Half Coins has 9 episodes. Check the episode list to see recent publication dates and frequency.
Where can I listen to Two And A Half Coins?
You can listen to Two And A Half Coins on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts Two And A Half Coins?
Two And A Half Coins is created and hosted by david wong.
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