Soumaya Erradi

​Road to Web3

Your frontend is the new backend. See how `ethers.js` and a browser wallet are all you need to build powerful dApps on the blockchain.

​Road to Web3
#1about 6 minutes

Comparing the core principles of Web2 and Web3

Web3 introduces decentralization and native payments, contrasting with Web2's centralized control and reliance on third-party payment services.

#2about 5 minutes

Exploring the advantages and challenges of Web3

Web3 offers benefits like data ownership and security but faces challenges such as scalability, low user adoption, and environmental concerns.

#3about 3 minutes

Understanding common Web3 application use cases

Web3 is being applied in various fields including play-to-earn gaming (GameFi), NFT marketplaces, decentralized finance (DeFi), and emerging social media platforms.

#4about 4 minutes

How Web3 application architecture differs from Web2

Web3 applications replace traditional backends and databases with smart contracts on the blockchain, interacting via providers from wallets or public nodes.

#5about 6 minutes

Essential tools for building a Web3 application

Building a dApp requires a frontend framework, a crypto wallet like MetaMask, the Ethers.js library, and an understanding of smart contract ABIs and block explorers.

#6about 9 minutes

Interacting with smart contracts using Ethers.js

Learn how to connect to a user's wallet, instantiate a smart contract using its address and ABI, and differentiate between read and write operations.

#7about 9 minutes

Code demo for a DeFi token transfer app

Follow a practical code example to read a token balance and execute a transfer transaction using Ethers.js, including handling the transaction confirmation process.

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