Web3 & Solidity Tutorial — One-Page Cheat Sheet

Smart contracts, EVM, and the on-chain dev stack.

Web3

• HOME
• Intro
• Blockchain Basics
• EVM
• Wallets
• Gas & Fees
• L2s & Rollups

Solidity

• Get Started
• Contracts
• Variables
• Value & Reference Types
• Functions
• Modifiers
• Events
• Custom Errors
• Mappings & Arrays
• Inheritance
• Interfaces & Libraries

Standards

• ERC-20 (tokens)
• ERC-721 (NFTs)
• ERC-1155
• EIP-712 Typed Data
• EIP-2612 Permit

Tooling

• Hardhat
• Foundry
• ethers.js
• viem
• wagmi
• OpenZeppelin
• Tests
• Deploy

Security

• Reentrancy
• Access Control
• Oracles & Price Manipulation
• Upgradeability
• Audit Checklist

Examples

• Examples
• Cheatsheet
• Quiz
• Exercises
• Bootcamp
• Certificate
• Summary