PickAClass · AI, Tech & Engineering · Blockchain & Web3

dApp & Web3 Development

Learn to build full-stack decentralized applications (dApps). Integrate smart contracts with front-end interfaces using libraries like Ethers.js and Web3.js.

dApp & Web3 Development

Build Your Own Cryptocurrency with JavaScript

Web3 and Blockchain: A Beginner's Introduction

Deploy Solidity Smart Contracts Locally with Hardhat

Webpack Code Splitting: Optimize Bundle Performance

Extending GraphQL Entities with Apollo Federation

Send Ether from React Forms with Web3

Using Apollo Server Context for GraphQL Applications

React: Query Blockchain Data with GraphQL and The Graph

Next.js Authentication: Supabase & GitHub Login

Building Your First React dApp with Web3 Starter Code

Connecting MetaMask Wallets to React dApps

React and MetaMask: Caching Wallet Addresses in localStorage

Connecting React dApps to Smart Contracts with Ethers.js

Managing NFT Sales and Smart Contract States in React dApps

Building a React dApp to Display NFTs with the OpenSea API

Sales Techniques for Beginners: Learn to Sell Any Product

AI-Driven Project Management and Workflow Automation

Monetizing AI: Practical Strategies for Beginners

Token Engineering for Claude Code: Optimize Context and Costs

Sales Conversations and AI Scripts for Design Professionals

Ethereum Staking: Earn Rewards with Proof of Stake

Web3 and the Metaverse: A Beginner's Guide to the Decentralized Web

Ethereum Development and Smart Contracts for Software Engineers

Discord Essentials: Setup, Daily Operations, and Security for Beginners