LUTO

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🎉 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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✅ 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

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If you like this project, please go ahead here and react on my project 👍 or ❤️ works. I competing on zulu tech challenge🙏 Link: https://t.me/zulu_tech/5053

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RIP PostgreSQL (2026-2026) 💀💨 Man, I’m officially done with Postgres. I spent the last few hours fighting for my life in the terminal just trying to get the "lil ahh" installer to behave. Imagine downloading a whole database engine just for it to stay silent every time I try to initialize it. No error messages, no logs, just straight-up ghosting me like a bad ex. I tried unzipping the portable version, moving it to different drives, fixing Windows permissions, and even installing Visual C++ libraries just to get it to breathe nothing. My dummy ahh really thought I could win against Windows System32 permissions today. The Headache: initdb failing silently (the ultimate disrespect). Windows Path errors every 5 seconds. Terminal acting like the commands don't even exist. So, I’m switching to SQLite. Why? Because it’s literally just a file. No installers, no hidden background services, no port 5432 drama. Just npm install better-sqlite3 and we’re actually coding the game instead of playing "Database Architect." If you see me using Postgres again, just know I’ve been hacked. SQLite gang from now on. 😤📁 #Programming #LudoBot #DevLife #PostgresHateGroup #SQLite #BuildingInPublic

✅ 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

3 mins📣📣📣

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

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.

✅ 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.

Migerm session 🫡🫡🔥

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

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We on some wc right here 🫡 🔥🔥 @DEVLUTO

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