Gain insights into Web3 app development using Solidity and React. Learn to build smart contracts, handle payments, and create frontends with React, Next.js and Tailwind for decentralized applications.

A Practical Introduction to Developing Web3 Apps Using Solidity and React.png

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In this course, you’ll learn to build smart contracts and Web3 apps using Solidity, Hardhat, React, Next.js, and Tailwind. Web3 apps leverage blockchain and smart contracts to enable transparent interactions, making them ideal for industries like finance, supply chain, gaming, etc.

You’ll learn to initialize and run contracts, define terms and conditions within code, and pass and store values inside contracts. You’ll explore additional functionalities like requiring valid arguments, receiving and sending payments, and ensuring balance constraints. By the end of the course, you’ll finalize the run script and successfully execute smart contracts. You’ll also experience building the frontend using React and related technologies, and learn about the front-end tech stack for Web3 applications.

This course will empower you to become proficient in Web3 app development, enabling you to contribute to the growing decentralized ecosystem and take advantage of the exciting opportunities blockchain technology presents.

An Introduction to Developing Web3 Apps Using Solidity and React

# Problem statement 
For this challenge, complete the following tasks:
- Write a React component called `WalletMessage` that includes a button and a paragraph. 
- When clicked, the button checks if a wallet exists. If a wallet exists, the paragraph displays a message that reads `Wallet is connected`. It reads `Wallet is not connected` if it doesn't exist.

## Input 
This challenge doesn't need any input.

## Output
This challenge will output a button and a paragraph to inform us of the connectivity status of the wallet.

Test yourself by creating a React component and checking the connectivity of the wallet.


Introduction to Web3.0

Introduction to Solidity and Smart Contract Development

Introduction to Web3 App Development Using Solidity and React

Final Project

Appendix

Develop Smart Contract for NFT Marketplace

Challenge: Creating a React Component

Problem statement