Create MetaMask-Style Crypto Wallet Chrome Extension Using JavaScript, Ether.js & Web3 Full Project

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Create MetaMask-Style Crypto Wallet Chrome Extension Using JavaScript, Ether.js & Web3 Providers | Full Project

Build your own MetaMask-style Crypto Wallet Chrome Extension using JavaScript, Ether.js, and Web3 Providers.

In this full project, you’ll learn how to create a crypto wallet, connect to EVM networks, generate accounts, sign transactions, store keys securely, and interact with the blockchain — all inside a Chrome extension.

Whether you're a blockchain beginner or an experienced developer, this project will help you understand how Web3 wallets work under the hood.

🚀 What You Will Learn

How to set up a Chrome extension from scratch
Integrating Ether.js with extension UI
Creating a wallet (mnemonic + private key)
Connecting to EVM networks with Web3 providers
Sending and signing transactions
Fetching balances & managing accounts
Secure local storage techniques
Building a production-ready UI

🛠 Tech Stack

JavaScript
Ether.js
Web3 Providers
HTML, CSS
Chrome Extension Manifest V3

🎯 Perfect For

Blockchain Developers
Web3 Beginners
JavaScript Developers exploring Crypto Wallets
Anyone wanting to build a Web3 wallet like MetaMask


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