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Welcome to Grokchain Labs with Bhupendra π In this video, we build and deeply explain a REAL Twitter-like application on the Solana blockchain β where posts are written directly on-chain, cannot be deleted, and can be verified by anyone in the world. β οΈ 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: β No database β No backend server β No admin control β Only Solana blockchain + Anchor smart contracts ββββββββββββββββββββββ β±οΈ VIDEO CHAPTERS ββββββββββββββββββββββ 00:00 Intro β What This Project Really Is 00:23 Web2 vs Web3 (Village & City Analogy) 00:54 What Is Solana Microblog? 01:09 Live Demo β Wallet, Profile & Tweet 01:32 What Youβll Learn (Roadmap) 01:36 Architecture Overview (UI β Wallet β 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 β Blockchain Bridge) 08:05 page.tsx Logic Explained (User β Wallet β 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) ββββββββββββββββββββββ π₯ WHAT YOU WILL LEARN ββββββββββββββββββββββ β’ How on-chain social applications really work β’ Why blockchain data cannot be silently edited or deleted β’ What PDA (Program Derived Address) truly means β’ How wallets replace usernames & passwords in Web3 β’ Anchor build & deploy explained from zero β’ Frontend β Wallet β Program β Blockchain execution flow β’ How to verify real transactions using Solana Explorer β’ Real-life village & city analogies for complex Web3 concepts ββββββββββββββββββββββ π οΈ TECH STACK USED ββββββββββββββββββββββ β’ Solana Blockchain β’ Anchor Framework (Rust) β’ Program Derived Addresses (PDA) β’ Next.js Frontend β’ Phantom Wallet β’ Solana Explorer ββββββββββββββββββββββ π PROJECT SOURCE CODE ββββββββββββββββββββββ GitHub repository link is available in the pinned comment π Feel free to fork, break, rebuild, and experiment with this code. ββββββββββββββββββββββ π― WHO SHOULD WATCH THIS? ββββββββββββββββββββββ β’ Web3 beginners who want strong fundamentals β’ Web2 developers (React / Node / Backend) moving to Web3 β’ Builders who want to understand blockchain deeply β’ Anyone tired of hype and looking for real learning ββββββββββββββββββββββ π’ IMPORTANT MESSAGE ββββββββββββββββββββββ Web3 is not about fast money. Web3 is about converting trust into code. ββββββββββββββββββββββ π ABOUT THIS CHANNEL ββββββββββββββββββββββ You are watching Grokchain Labs with Bhupendra. Here, we donβt chase hype. We break systems, understand truth, and build real blockchain software. Like π | Subscribe π | Comment π¬ Code over trust. Blockchain over servers.