Feb 24
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Welcome back to 👨💻 GROKCHAIN LABS WITH BHUPENDRA 🚀 In today’s video, we’re building a **mini Solana Borrow / Lend DeFi protocol** using **Anchor** on **Devnet** — a real smart contract you can test without spending money. We will: • Initialize a global Vault PDA • Deposit SOL as collateral • Update user lending positions • Run tests on Devnet • View balance changes on the Solana Explorer • Learn real DeFi concepts like collateral & over-collateralization This is Part 3 of our Solana series: 📌 Part 1 — Build Your Own Solana Token (Anchor) 📌 Part 2 — Send SOL Instantly Without Wallet Popup 👉 Today’s Goal: Deposit SOL into a lending vault & verify balance on-chain 💎 ━━━━━━━━━━━━━━━━━━━━━━━ 🔗 **Project Source Code** 🔗 **Commands Used In Video** anchor build anchor deploy --provider.cluster devnet anchor test --skip-local-validator --provider.cluster devnet ━━━━━━━━━━━━━━━━━━━━━━━ 🎥 **Video Chapters** 00:00 Intro 01:10 What is Collateral in DeFi? 02:30 Project Structure Overview 04:10 Initialize Vault PDA 07:20 Deposit SOL as Collateral 10:50 Run Devnet Tests 13:00 Show Proof on Solana Explorer 15:00 Final Result & Concept Recap 16:00 Outro ━━━━━━━━━━━━━━━━━━━━━━━ 📚 **Tech Stack** • Solana • Anchor Framework • TypeScript Tests • Devnet • Rust Smart Contracts ━━━━━━━━━━━━━━━━━━━━━━━ 💬 Comment below: What DeFi feature should we build next? • Borrow & repay loan? • Liquidation bot? • Token rewards? • Frontend dashboard? ━━━━━━━━━━━━━━━━━━━━━━━ #solana #anchor #defi #crypto #blockchain #rustprogramming #programming #codingtutorial #solanadevelopment #web3