@oansotegui_ Profile picture

Oscar (🧠 🧪)

@oansotegui_

Helping tech enthusiasts to understand web3/blockchain topics by breaking them down into readable tweets. 📌

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Pinned

Don't waste $13k on courses and bootcamps. 💰 Top 10 Youtube channels to learn Web3 for FREE. A Thread 🧵

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Which is the best blockchain/web3 podcast?


Oscar (🧠 🧪) Reposted

Is it possible for two miners of a PoW blockchain like #Bitcoin to validate a block at the same time? Yes, in this case a split in consensus is taking place. Here's why it happens and how it' s solved. 🧵

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Oscar (🧠 🧪) Reposted

New books smell good. But they smell better if they are about @VitalikButerin and @ethereum . 📖

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Having trouble getting out of bed? Use an alarm clock instead of your phone to wake you up. There is no snooze option.


Oscar (🧠 🧪) Reposted

Hey, you! 👋 Help me make a list of consensus protocols. • Proof of Work • Proof of Stake • ... That's it? If you couldn't name more, you should definitely read this article by @vasa_develop 👇 30+ consensus algorithms explained! hackernoon.com/consensuspedia…


Oscar (🧠 🧪) Reposted

Yeah, we all know that blockchain data is encrypted and stuff. But how? 👇 Let's review some cryptography basics.

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In blockchain it is important to set a transaction cost. Otherwise an attacker could send unlimited worthless transactions to saturate the network.


Oscar (🧠 🧪) Reposted

Byzantine fault tolerance (BFT) is a key property that allows consensus protocols to be reliable. History, how it works, pros and cons. 🧵

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"...Cardano aims to achieve the scalability, interoperability and sustainability needed for real-world applications..." •Are you familiar with Cardano's blockchain? •Do you think Cardano will achieve its goal? Leave your thoughts in the comments 👇


A Smart Contract can be modified. Does that mean that the blockchain is not immutable? No. A record of all versions of the Smart Contract will always remain on the blockchain, but modifiable functions can be programmed to change attributes, variables, etc.


New day, new challenges! Good morning fam 💙


Oscar (🧠 🧪) Reposted

Don't waste $13k on courses and bootcamps. 💰 Top 10 Youtube channels to learn Web3 for FREE. A Thread 🧵

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Which is the best Blockchain/Web3 book?


I want to put all my conference tech stickers on my laptop, but I also want to keep it clean and minimalist. I have a ton of them crying in my drawer. What should I do?


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