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Chapter 2

Solidity Fundamentals

beginner 📚 9 lessons ⏱️ 8 hours

Understand Solidity data types, functions, visibility modifiers, and the security implications of each.

Lessons

1

Variables & Data Types

beginner ⏱️ 30 min
→
2

Functions & Visibility

beginner ⏱️ 30 min
→
3

Control Flow & Error Handling

beginner ⏱️ 35 min
→
4

Mappings & Structs

beginner ⏱️ 30 min
→
5

Arrays & Iteration

beginner ⏱️ 30 min
→
6

Inheritance & Interfaces

intermediate ⏱️ 35 min
→
7

Events & Logs

intermediate ⏱️ 25 min
→
8

Libraries & OpenZeppelin

intermediate ⏱️ 35 min
→
9

Low-Level Calls: call, delegatecall, staticcall

advanced ⏱️ 45 min
→

Chapter Quiz

Test your knowledge — answer 3 out of 5 questions correctly to pass.