Published 4/2025
Created by eTech School
MP4 | Video: h264, 1280×720 | Audio: AAC, 44.1 KHz, 2 Ch
Level: All | Genre: eLearning | Language: English | Duration: 48 Lectures ( 3h 22m ) | Size: 1.61 GB
Build real-world decentralized apps (DApps) from scratch using Ethereum, smart contracts, and Web3.js
What you’ll learn
Core concepts of Web3, blockchain, and Ethereum
How to set up a Web3 development environment
Connecting to the Ethereum blockchain with Ether.js
How smart contracts work and how to interact with them
Using Web3.js to build blockchain-enabled front-end applications
Creating and managing Ethereum wallets and transactions
Working with ERC-20 tokens and verifying contracts on Etherscan
Building real-world DApps with live blockchain event tracking
Requirements
Basic knowledge of JavaScript and HTML/CSS
Familiarity with web development (React/Vue not mandatory, but helpful)
No prior blockchain or Ethereum experience required
Node.js and npm should be installed on your system
Description
Course Introduction:Web3 is revolutionizing the future of the internet, and Ethereum stands at its core. This course is your hands-on guide to building decentralized applications (DApps) using Web3.js, Ethereum, and smart contracts. Whether you’re a web developer curious about blockchain, or a crypto enthusiast ready to create real utility, this course takes you step-by-step from setting up your development environment to launching fully interactive front-ends for your DApps.With practical demos, real blockchain interactions, and smart contract development, you’ll gain the confidence and skills to become a Web3 developer capable of launching modern decentralized apps.Section 1: Web3 & Ethereum Foundations – Getting Started with the Decentralized WebThis section introduces you to the core technologies behind the decentralized web. You’ll learn what Web3 is, how blockchain works, and why Ethereum is so central to the ecosystem. Through a hands-on setup process, you’ll prepare your environment for building Web3 apps. By the end, you’ll understand the “why” behind Web3 and be ready to dive into development.Section 2: Ethereum Basics – Accounts, Transactions & Smart ContractsHere, we dive into Ethereum’s core concepts like accounts, addresses, and smart contracts. Using Ether.js, you’ll learn how to connect to the blockchain, retrieve account and transaction data, and interact with deployed smart contracts. This section forms the practical foundation for everything you’ll build later on.Section 3: Smart Contract Interactions – Bringing DApps to Life with Web3.jsNow it’s time to start developing real DApp interactions. You’ll use Web3.js to create wallets, send transactions, manage token contracts (like ERC-20), and verify contracts on Etherscan. You’ll also learn how to integrate smart contracts into web apps—turning backend blockchain logic into real user functionality.Section 4: Building Web3 Frontends – From UI to Blockchain IntegrationIn this final module, you’ll combine everything you’ve learned to build full-stack Web3 applications. You’ll build interactive frontends that connect to Ethereum wallets, show balances, and respond to blockchain events in real time (like whale transactions). With this knowledge, you’ll be fully equipped to launch your own DApps with real-time data and blockchain interactivity.Course Conclusion:You’ve now journeyed through the world of Ethereum, smart contracts, and Web3.js—from setting up your environment to deploying interactive blockchain-enabled applications. Whether you’re launching your first DApp or contributing to an existing project, you’re equipped with the technical know-how and the real-world skills to succeed in the Web3 space.
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