Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile
Oscar (🧠 🧪)

@oansotegui_

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

ID: 1374132842398154752

calendar_today22-03-2021 22:56:26

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Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile Photo

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 👇 30+ consensus algorithms explained! hackernoon.com/consensuspedia…

Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile Photo

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. 🧵

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.

🧵
Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile Photo

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

Byzantine fault tolerance (BFT) is a key property that allows consensus protocols to be reliable.

History, how it works, pros and cons.

🧵
Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile Photo

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?

Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile Photo

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.

Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile Photo

"...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 👇

Oscar (🧠 🧪) (@oansotegui_) 's Twitter Profile Photo

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