Oscar (🧠 🧪)

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

[Oscar (🧠 🧪) @oansotegui_]

Don't waste $13k on courses and bootcamps. 💰

Top 10 Youtube channels to learn Web3 for FREE.

A Thread 🧵

[Oscar (🧠 🧪) @oansotegui_]

Which is the best blockchain/web3 podcast?

[Oscar (🧠 🧪) @oansotegui_]

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_]

New books smell good.

But they smell better if they are about @VitalikButerin and @ethereum .

📖

[Oscar (🧠 🧪) @oansotegui_]

Having trouble getting out of bed?

Use an alarm clock instead of your phone to wake you up.

There is no snooze option.

[Oscar (🧠 🧪) @oansotegui_]

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!

https://t.co/R7dFx6KZwf

[Oscar (🧠 🧪) @oansotegui_]

Yeah, we all know that blockchain data is encrypted and stuff. But how?

👇 Let's review some cryptography basics.

[Oscar (🧠 🧪) @oansotegui_]

In blockchain it is important to set a transaction cost.

Otherwise an attacker could send unlimited worthless transactions to saturate the network.

[Oscar (🧠 🧪) @oansotegui_]

Web2 or Web3?

[Oscar (🧠 🧪) @oansotegui_]

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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[Oscar (🧠 🧪) @oansotegui_]

"...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_]

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_]

@0xAscan Great insights! 👏

[Oscar (🧠 🧪) @oansotegui_]

If you lose the keys associated with your wallet you will not be able to recover your funds.

This is a big problem for the mass adoption of this technology, since it is a common problem not to remember a password.

Smart Wallets are born to try to solve this problem.

Here why↓

[Oscar (🧠 🧪) @oansotegui_]

@CodingJeymen Thanks Jeymen! 🥳 It's never too late

[Oscar (🧠 🧪) @oansotegui_]

@Hayer_Hans Great! I'm working my way through the ethereum mastering book. I will read Token Economy by the time I finish this one!

[Oscar (🧠 🧪) @oansotegui_]

Which is the best Blockchain/Web3 book?

[Oscar (🧠 🧪) @oansotegui_]

New day, new challenges!
Good morning fam 💙

[Oscar (🧠 🧪) @oansotegui_]

Don't waste $13k on courses and bootcamps. 💰

Top 10 Youtube channels to learn Web3 for FREE.

A Thread 🧵

[Oscar (🧠 🧪) @oansotegui_]

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_]

@EverBuildJobs @TEDTalks @TEDNews Glad you found it useful!!🙌

[Oscar (🧠 🧪) @oansotegui_]

Discover how BLOCKCHAIN technology has the potential to CHANGE the world.

A list of 8 TED Talks about Blockchain and Web3 that you won't regret watching.

🧵👇

[Oscar (🧠 🧪) @oansotegui_]

@AmanMandal_ Heyyy 👋

[Oscar (🧠 🧪) @oansotegui_]

gm to all web3/blockchain developers and learners!