Day 3 Summary — Who Runs the Blockchain

Today I learned that blockchains are run by nodes, miners, and validators ... not a company.

Nodes are computers around the world that store a copy of the blockchain and check that transactions follow the rules. They help keep the system decentralized and secure.
To add new blocks, networks use different systems:

• Miners (Proof of Work) :solve complex math problems to add blocks and earn rewards. This is how Bitcoin works, but it uses a lot of energy.
• Validators (Proof of Stake): lock up their own crypto and are chosen to confirm blocks. They earn rewards for being honest and lose money if they cheat. This is what Ethereum uses now

Blockchain stays secure and decentralized because thousands of computers verify transactions, and special participants (miners or validators) add new blocks using systems designed to prevent cheating.

@DEVLUTO

The Talix Landing Page Contest

We’re building Talix, an AI-powered learning platform. We’re looking for a landing page design that is clean enough to put out there

Prizes:

- Winner: 10,000 ETB Cash Prize + 3 months of Talix pro + Featured Credit and Opportunities

- 2nd Place: A custom Domain Name for you.

It's only a landing page, so we expect you to include sections/elements of a modern landing page (Hero Section, CTA, etc.) The design should match our existing App design feels. Hit me up at @sozofe, i will give you the file containing all the things you need and the hosted app playground

Deliverable: Figma is strongly preferred. It would be awesome if you do it in public so that it will be easier to track and see your progress (use #DesignTalix if you decide so), but it's totally optional as long as you deliver on time.

Deadline: 1 week. So you can work on it on weekends too

▓▓▓▓▓▓▓░░░░░░░░░ ፵% (40%)

Bow & Arrow | Get A Client Via Twitter in 30 Days

Original price: $299

Sales page: https://jkmolina.gumroad.com/l/bownarrow?recommended_by=search

@DEVLUTO

Show me some motion, I'm a drop TS here

@DEVLUTO

Some of the video files might not be included

This is by

https://x.com/OneJKMolina

Enjoy 🫡 and Good luck 🤞

@DEVLUTO

N umm my channel is dead damn I need more subscribers I excepted more than this 😭🫠

@DEVLUTO

✅ DAY 4/30
Bitcoin vs Ethereum (They’re NOT the Same)


Before today I thought Ethereum was just “another crypto like Bitcoin.”...Nahhh.
Bitcoin and Ethereum are built on blockchain, but they were designed for different purposes.


🟠 BITCOIN — Digital Money

Bitcoin was created in 2009 to be:

A decentralized alternative to traditional money

Its main goals:
• Be digital cash
• Work without banks
• Be secure and limited in supply

Bitcoin is focused on one job only: 💰 Sending and storing value....
It’s like digital gold:
• Hard to change
•Reliable
•Not very flexible
•Designed to be simple and secure
Bitcoin’s blockchain is intentionally limited in what it can do.


🔵 ETHEREUM — A Programmable Blockchain


Ethereum came later (2015) with a bigger vision:

What if blockchain could run programs, not just money?

Ethereum allows developers to write smart contracts programs that run on the blockchain.
That means Ethereum can power:
•DeFi apps (borrowing, lending, trading)
•NFTs
•Games
•DAOs
•Voting systems
•Marketplaces
So Ethereum isn’t just money…
It’s more like a global computer that anyone can use.


🧠 The Core Difference

BITCOIN
Focus: Money
Digital gold
Simple & secure
Limited features

Ethereum
Focus:Applications
Programmable blockchain
Flexible & powerful
Smart contracts + DApps

Bitcoin asks:

How can we build decentralized money?

Ethereum asks:

How can we build decentralized everything?

⚙️ Tech Difference (Beginner Level)

Bitcoin’s noscripting system is very basic on purpose.
This keeps it secure but limits what developers can build.

Ethereum uses a system called the Ethereum Virtual Machine (EVM), which lets code run on the blockchain.
That’s why we can build apps on Ethereum but not really on Bitcoin.


⛽ Gas Fees (Ethereum Thing)

Ethereum transactions cost gas fees because: You’re not just sending money
You’re paying for computation (code execution)
The more complex the action, the more gas it needs.

Bitcoin mostly just processes payments, so its fee system is simpler.


💡 Big Realization Today
Bitcoin = store value
Ethereum = build systems
Bitcoin is like a calculator.
Ethereum is like a smartphone.
Both are powerful just for different reasons.


🔗 Resources I Used Today
🎥 YouTube
• Eyes on tech — Bitcoin vs Ethereum
• Finematics — What is Ethereum?

📖 Websites
• ethereum.org -> “What is Ethereum?”
• bitcoin.org -> Bitcoin basics

#WEB3CHALLENGE
@DEVLUTO

Day 4 Summary — Bitcoin vs Ethereum

Today I learned that Bitcoin and Ethereum are both blockchains, but they serve different purposes.

Bitcoin was created to be decentralized digital money. Its main goal is to store and transfer value securely, similar to digital gold. It is simple and focused mostly on payments.

Ethereum, on the other hand, is a programmable blockchain. It allows developers to build smart contracts and decentralized applications (DApps), such as DeFi platforms, NFT projects, games, and more.

Conclusion:
Bitcoin is mainly for digital money, while Ethereum is designed to run applications on the blockchain.

@DEVLUTO

We’re getting closer to the coding part 👀

@DEVLUTO

🎈Happy 41st birthday to Cristiano ronaldo 🐐🐐

@DEVLUTO

We on some wc right here 🫡 🔥🔥

@DEVLUTO

BUT
WHYYYYYYYYY...

@DEVLUTO

from now on I'm a
CERTIFIED
ETHIOTELECOMMMMM
HATER !!!!😭😭😭

@DEVLUTO

Migerm session 🫡🫡🔥

@DEVLUTO

✅ DAY 5/30
Smart Contracts (The Heart of Web3)


Up to now I learned:
Why Web3 exists
How blockchain works
Who runs it
Why Ethereum is different

Today I learned about the core power of Web3:
👉 Smart contracts
This is where coding actually enters the picture.


🤖 What Is a Smart Contract?

A smart contract is a program stored on the blockchain that:
• Runs automatically
• Follows fixed rules
•Can hold and transfer money
•Cannot be changed after deployment
•Once it’s live, no one can tamper with it {not even the creator.}

It’s not “smart” because it thinks.
It’s smart because it executes rules perfectly.


🏦 Why Smart Contracts Matter

In traditional systems, you need:
Banks, Lawyers, Companies, Platforms
All of them act as middlemen.
Smart contracts replace them with code.
Instead of:

“Trust us, we’ll handle it”

It becomes:

“Here’s the code. The rules are public.”

🔄 How Smart Contracts Work (Simple Flow)

1️⃣ Someone interacts with the contract
2️⃣ The contract checks its rules
3️⃣ If rules are met → action happens
4️⃣ If rules are not met → transaction fails.


💡 Real Examples (Not Theory)

🎁 Crowdfunding
Rules in code:
If total funds ≥ goal -> send to creator
Else -> refund everyone
No one can run away with the money.

🗳 Voting
Rules:
One vote per wallet
Voting period limited
Results calculated automatically
No manipulation.

🖼 NFTs
Rules:
Each token is unique
Ownership is recorded permanently
Only the owner can transfer it

🪙 Tokens
Rules:
Fixed or controlled supply
Automatic transfers
Transparent balances

🔐 Why They’re Trustless
Smart contracts:
•Are visible to everyone
•Follow exact rules
•Don’t rely on human promises
•You trust what the code does, not what someone says.


⚠️ Important Reality Check
Smart contracts are powerful… but dangerous if written badly.
Once deployed:
Bugs can’t be patched easily
Mistakes can cost real money
Hackers exploit weak logic, not the blockchain itself
That’s why security matters in Web3.

#WEB3CHALLENGE
@DEVLUTO

Day 5 – Summary (Notes):

This section introduces the practical coding phase, where concepts are implemented through actual code. Focus is on understanding syntax, logic flow, and how different parts of a program work together by building small functional examples.

@DEVLUTO

I'm here watching it for the 6th time ts so peak 🔥🔥🔥😭

@DEVLUTO

✅ DAY 6/30
Wallets, Private Keys & Owning Your Identity


Today I learned that in Web3, your wallet is not just an app.
It’s your:
Identity
Bank account
Login
Proof of ownership
Lose it… and it’s gone. No “forgot password” 😭


🦊 What Is a Crypto Wallet?

A crypto wallet (like MetaMask) does NOT store your money.
Instead, it stores: 👉 Your private keys
Your crypto actually lives on the blockchain, not inside the wallet app.
The wallet is just a tool that lets you:
Prove ownership
Sign transactions
Interact with smart contracts

🔑 Public Key vs Private Key
This part is crucial.
🔓 Public Key (Address)
Like your bank account number
Safe to share
Used to receive crypto
Everyone can see it on the blockchain
Example: 0xA1b2c3...

🔐 Private Key
Like your ATM PIN + signature
NEVER share this
Used to approve transactions
Proves you are the owner
If someone gets your private key -> They control your wallet. Period.

🌱 Seed Phrase (Recovery Phrase)
Your wallet gives you 12 or 24 words when you create it.
This is called a seed phrase.
Important facts:
It can recreate your entire wallet
It controls ALL accounts under it
Anyone with it = full access
If you lose it:
❌ No recovery
❌ No support
❌ No reset
Web3 gives freedom… but also full responsibility.

✍️ What Does “Signing a Transaction” Mean?
When you send crypto or interact with a smart contract, you’re not “sending money” directly.
You’re:
•Creating a message
•Signing it with your private key
•Sending that signature to the network
The network checks:

Does this signature match the public address?

If yes -> transaction is valid.
This is how blockchain knows it’s really you.

🧠 Wallets as Web3 Login
In Web3:
No emails
No passwords
No usernames
You just: 👉 Connect your wallet 👉 Sign a message, That’s your login.
This means:
•Apps can’t lock you out
•You own your identity
•Your data stays with you


⚠️ Risks & Reality Check
Because there’s no middleman:
• Hacks are final
• Scams are common
• Mistakes cost real money
That’s why:
Never share seed phrase
Use hardware wallets for large funds
Double check sites before connecting wallet


In Web3:

Not your keys = not your crypto

Wallets shift power from companies --> individuals.
✓More freedom.
✓More control.
✓More responsibility.

🔗 Resources I Used Today
Crypto wallets explained
Public and private keys

📖 Websites
• ethereum.org ... Wallets & keys
• metamask.io ... Wallet basics

#WEB3CHALLENGE

@DEVLUTO