
Soumaya Erradi
May 25, 2023
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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