LUTO
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BUILDING IN PUBLIC TILL I GET MY BUGATTI 🎯 Dropping tips, projects , video editing , figma designing ... 🌐 http://luto-portfolio.netlify.app
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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
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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 cryptoWallets 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
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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.
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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.
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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.
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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 moneyIts 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
Flexible & powerful
Limited features
Ethereum
Focus:Applications
Programmable blockchain
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
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Enjoy 🫡 and Good luck 🤞
现已上线!2025 年 Telegram 研究 — 年度关键洞察 
