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May 10 • 8 tweets • 3 min read
Want to become a great BLOCKCHAIN developer?

Learn how the technology works first.

Check out this curated list of FREE resources.

🧵↓
1) Learn Blockchain: The COMPLETE beginner’s guide
2) Blockchain Technology Explained (2 Hour Course)
3) Blockchain Theory 101: Basic description, applications, and implication of blockchain technology
udemy.com/course/blockch…
4) Introduction to Enterprise Blockchain - 101Blockchains (@101Blockchains )
academy.101blockchains.com/courses/blockc…
5) Blockchain Basics - Coursera (University at Buffalo)
coursera.org/learn/blockcha…
6) Blockchain Technology - edX (Berkeley)
edx.org/course/blockch…
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Drop a 👋 if you are interested in #Solidity and #Web3 content

Let's connect👉 @Web3Oscar

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Oscar | Web3 Dev ⚡ Profile picture
May 9
Top 10 Ethereum Development Tools

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Metamask: wallet
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Oscar | Web3 Dev ⚡ Profile picture
May 9
What is PRAGMA in Solidity?

🧵👇Mini Thread
Pragma is a keyword that is placed at the beginning of the code, along with the version of Solidity to be used.
What is it for?
· It tells the compiler how to execute the file
· It configures the compiler features and checks
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Oscar | Web3 Dev ⚡ Profile picture
May 8
No time to learn #Solidity ❓

It will only take you 2 minutes to learn what Function Modifiers are.

👇🧵 Image
➡️Function modifiers are used to change the behavior of a function.

➡️They can be used to add requirements to functions, restrict access, validate inputs, etc.
👇First let's see how it is defined

➡️Within the modifier declaration, you establish a condition to be fulfilled

➡️You can do this with a require, a conditional statement,...

➡️ Then there's an underscore ( _; ), which is used to tell Solidity to execute the rest of the code. Image
Read 5 tweets
Oscar | Web3 Dev ⚡ Profile picture
May 6
Don't waste $13k on courses and bootcamps. 💰

Top 10 Youtube channels to learn Web3 for FREE.

A Thread 🧵
1. Patrick Collins ( @PatrickAlphaC )
youtube.com/c/PatrickColli…
2. Ivan on Tech ( @IvanOnTech )
youtube.com/c/IvanonTech
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Oscar | Web3 Dev ⚡ Profile picture
May 6
Get a remote job in web3 🔥

(Avg. Salary +$100K per year 💰)

A Thread 🧵↓
1/ @Web3Career · Browse 14,654 jobs in Web3 at 1,773 Web3 Projects

web3.career
2/ @CryptoJobsList · Connect with companies hiring in a few clicks and begin your next experience in the industry.

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Oscar | Web3 Dev ⚡ Profile picture
May 5
❌NOTHING can be deleted from the blockchain.

🤔 Or maybe yes ...

👇🧵 Self-Destruct operation in #Solidity
👉There is a way to delete Smart Contracts from the Blockchain, using the self-destruct operation.

👉If there is any remaining Ether stored at that address it is sent to a designated target.
Let's see an example!
Read 5 tweets

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