Web3 Development Course Index — Dataplexa

Web3 Development

Web3 Development
Course Index

45 Lessons · 5 Levels

Hands-on Web3 development roadmap — wallets, Web3.js, Ethers.js, smart contract interaction, IPFS, MetaMask, security, deployment and dApp case studies.

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45Lessons

5Levels

2Projects

FreeAccess

Level I Web3 Foundations Lessons 1–8

Introduction to Web3 Development

Web2 vs Web3 Architecture

Web3 Tech Stack Overview

Blockchain–Frontend Communication

Wallets in Web3

Public Keys, Accounts, and Networks

Web3 Development Workflow

Level II Web3 Libraries & Setup Lessons 9–16

Web3.js vs Ethers.js

Setting Up Web3 Project

Connecting to Blockchain Networks

Using RPC Providers

Reading Blockchain Data

Writing Transactions

Handling Wallet Permissions

Error Handling in Web3 Apps

Level III Smart Contract Interaction Lessons 17–25

Contract ABIs Explained

Connecting Frontend to Smart Contracts

Reading Smart Contract State

Sending Transactions from UI

Gas Estimation and Optimization

Events and Logs Handling

Transaction Status Tracking

Network Switching in Wallets

Multi-Chain dApp Basics

Level IV UX, Security & Storage Lessons 26–34

Web3 UX Best Practices

Wallet Security Considerations

Handling User Signatures

MetaMask Integration Deep Dive

IPFS Integration Overview

Storing Metadata Decentralized

Web3 Authentication

Common Web3 Attacks

Securing Frontend dApps

Level V Deployment, Scaling & Career Lessons 35–45

dApp Deployment Strategies

Hosting Web3 Frontends

Environment Configuration

Monitoring Web3 Apps

Performance Optimization

Web3 Testing Strategies

Real-World Web3 Projects

Ethereum dApp Case Study

Solana dApp Case Study

Web3 Developer Career Roadmap

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Web3 Development Course Index

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