LUTO
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👨‍💻 Full-stack dev in the making
Building, designing & learning out loud
🎯 Dropping dev tips, projects & real wins
🌐 http://luto-portfolio.netlify.app
💡 Built by Luto
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N umm my channel is dead damn I need more subscribers I excepted more than this 😭🫠

@DEVLUTO
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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 scripting 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
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LUTO
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…
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
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We’re getting closer to the coding part 👀

@DEVLUTO
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🎈Happy 41st birthday to Cristiano ronaldo 🐐🐐

@DEVLUTO
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We on some wc right here 🫡 🔥🔥

@DEVLUTO
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BUT
WHYYYYYYYYY...

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

@DEVLUTO
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LUTO
Today was a great session!
Migerm session 🫡🫡🔥

@DEVLUTO
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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
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LUTO
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.…
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
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Anime (⁠θ⁠‿⁠θ⁠)
Did you know Death Note came out 20 years ago 🤯
I'm here watching it for the 6th time ts so peak 🔥🔥🔥😭

@DEVLUTO
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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
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😭😭😭😭💔

@DEVLUTO
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DAY 7/30

Transactions, Gas Fees & Reading the Blockchain (Etherscan)

Today I learned that every move in Web3 is public, traceable, and permanent.
No hiding. No guessing.
Just math + code doing their thing.


🔁 What Is a Blockchain Transaction?

A transaction is not just “sending money”. It can be:
Sending crypto
Minting an NFT
Swapping tokens
Calling a smart contract function
A transaction is basically:
“I want the blockchain to update its state.”


Gas Fees (Why You Pay Them)
Blockchains like Ethereum don’t run for free.
Gas fees pay for:
•Computing power
•Network security
•Validator work
You pay gas in ETH, even if you’re sending another token.
Why Gas Fees Change
Gas fees depend on:
•Network congestion
•Complexity of the transaction
•Demand vs space in blocks
•High traffic = higher gas.
That’s why sending ETH during hype can be expensive 💀

🧱 What Happens When You Send a Transaction?
- You click “Confirm” in your wallet
>Wallet signs the transaction with your private key
>Transaction goes to the mempool (waiting area)
>Validators pick it up
It gets added to a block

Blockchain state updates
Once confirmed:
Can’t cancel
Can’t reverse


🔍 What Is Etherscan?
Etherscan is a blockchain explorer.
It lets you:
-Track transactions
-View wallet balances
-Inspect smart contracts
-See gas fees
-Verify if a tx succeeded or failed
Basically: Google for Ethereum

📄 Reading a Transaction (Simple Breakdown)
When you open a tx on Etherscan, you’ll see:
•TX Hash
•Unique ID of the transaction
Status
•Success / Failed / Pending
•From / To
•Sender and receiver addresses
•Value
•Amount of ETH transferred
•Gas Used & Gas Price
•Cost of execution
•Block
•Which block it was included in
This is how you verify nothing is fake.
Failed Transactions
A failed tx still:
•Uses gas
>Costs money
>Changes nothing
}}}Reasons for failure:
~Not enough gas
~Contract condition failed
~Slippage issues
Painful lesson everyone learns once 😭

🧠 Big Realization Today
In Web3:
There’s no “trust me bro”
Everything is verifiable
Anyone can audit anything
You don’t trust people. You verify transactions.


🔗 Resources for Day 7
🎥 YouTube
Blockchain Transactions Explained
Gas Fees Explained


🌐 Websites
etherscan.io
ethereum.org -->> Gas & transactions


#WEB3CHALLENGE
@DEVLUTO
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Forwarded from Onyx Design ⚡️
🎉 Tadaaa

Officially, we’re live on YouTube 🎥

Excited to start this journey and bring you awesome, high-quality content I’ve been working on

Youtube Link : https://youtu.be/yD2oeG8DnHU?si=UuYJL5qHFcmbJlSR


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@OnyxDesignx
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