Feb 22
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Welcome to Grokchain Labs with Bhupendra 👋 In this video, we build and deeply explain a REAL Twitter-like application on the Solana blockchain — where posts are written directly on-chain, cannot be deleted, and can be verified by anyone in the world. ⚠️ This is NOT a hype or shortcut video. This is a deep, practical Web3 masterclass designed to change how you THINK about blockchain. There is: ❌ No database ❌ No backend server ❌ No admin control ✅ Only Solana blockchain + Anchor smart contracts ━━━━━━━━━━━━━━━━━━━━━━ ⏱️ VIDEO CHAPTERS ━━━━━━━━━━━━━━━━━━━━━━ 00:00 Intro – What This Project Really Is 00:23 Web2 vs Web3 (Village & City Analogy) 00:54 What Is Solana Microblog? 01:09 Live Demo – Wallet, Profile & Tweet 01:32 What You’ll Learn (Roadmap) 01:36 Architecture Overview (UI → Wallet → Blockchain) 01:54 Backend Folder & Anchor Overview 02:01 declare_id Explained (Program Identity) 02:17 Create Profile Explained (Line by Line) 03:00 PDA Explained Deeply (Village Address Analogy) 03:17 Create Tweet & Tweet Counter Logic 04:10 Anchor Build Explained (What Build Really Means) 05:10 Anchor Deploy Explained (What Happens on Blockchain) 06:17 Frontend Logic Overview 07:16 WalletProvider Explained (Wallet = Identity) 07:41 anchorClient.ts Explained (Frontend ↔ Blockchain Bridge) 08:05 page.tsx Logic Explained (User → Wallet → Chain) 14:22 Solana Explorer Deep Dive (Public Proof) 15:52 Why Delete Is Impossible on Blockchain 17:16 What You Can Build Using This Code 17:44 Final Thoughts & Outro (Grokchain Labs with Bhupendra) ━━━━━━━━━━━━━━━━━━━━━━ 🔥 WHAT YOU WILL LEARN ━━━━━━━━━━━━━━━━━━━━━━ • How on-chain social applications really work • Why blockchain data cannot be silently edited or deleted • What PDA (Program Derived Address) truly means • How wallets replace usernames & passwords in Web3 • Anchor build & deploy explained from zero • Frontend → Wallet → Program → Blockchain execution flow • How to verify real transactions using Solana Explorer • Real-life village & city analogies for complex Web3 concepts ━━━━━━━━━━━━━━━━━━━━━━ 🛠️ TECH STACK USED ━━━━━━━━━━━━━━━━━━━━━━ • Solana Blockchain • Anchor Framework (Rust) • Program Derived Addresses (PDA) • Next.js Frontend • Phantom Wallet • Solana Explorer ━━━━━━━━━━━━━━━━━━━━━━ 📂 PROJECT SOURCE CODE ━━━━━━━━━━━━━━━━━━━━━━ GitHub repository link is available in the pinned comment 👇 Feel free to fork, break, rebuild, and experiment with this code. ━━━━━━━━━━━━━━━━━━━━━━ 🎯 WHO SHOULD WATCH THIS? ━━━━━━━━━━━━━━━━━━━━━━ • Web3 beginners who want strong fundamentals • Web2 developers (React / Node / Backend) moving to Web3 • Builders who want to understand blockchain deeply • Anyone tired of hype and looking for real learning ━━━━━━━━━━━━━━━━━━━━━━ 📢 IMPORTANT MESSAGE ━━━━━━━━━━━━━━━━━━━━━━ Web3 is not about fast money. Web3 is about converting trust into code. ━━━━━━━━━━━━━━━━━━━━━━ 🔔 ABOUT THIS CHANNEL ━━━━━━━━━━━━━━━━━━━━━━ You are watching Grokchain Labs with Bhupendra. Here, we don’t chase hype. We break systems, understand truth, and build real blockchain software. Like 👍 | Subscribe 🔔 | Comment 💬 Code over trust. Blockchain over servers.