Web3 Development Lesson 25 – Multi-Chain dApp Basics | Dataplexa

Web3 Development

I. Foundations
1. Introduction 2. Web2 vs Web3 3. How dApps Work 4. Tech Stack 5. Frontend–Blockchain 6. Wallets 7. Keys & Accounts 8. Workflow
II. Libraries & Setup
9. Web3.js vs Ethers.js 10. Project Setup 11. Connect Networks 12. RPC Providers 13. Read Data 14. Write Transactions 15. Wallet Permissions 16. Error Handling
III. Contract Interaction
17. Contract ABIs 18. Connect Contracts 19. Read Contract State 20. Send Transactions 21. Gas Optimization 22. Events & Logs 23. Tx Status 24. Network Switching 25. Multi-Chain
IV. UX, Security & Storage
26. UX Best Practices 27. Wallet Security 28. User Signatures 29. MetaMask Deep Dive 30. IPFS 31. Decentralized Storage 32. Web3 Auth 33. Web3 Attacks 34. Secure dApps
V. Deployment & Career
35. Deployment 36. Hosting 37. Environment Config 38. Monitoring 39. Performance 40. Testing 41. Dev Tools 42. Projects 43. Ethereum Case 44. Solana Case 45. Career Roadmap
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