☠ Case Studies
← All Chapters
Chapter 1

Blockchain Basics

beginner 📚 6 lessons ⏱️ 3 hours

Learn the fundamentals of blockchain technology, Ethereum, smart contracts, and why bugs cost millions.

Lessons

1

What is a Blockchain?

beginner ⏱️ 20 min
→
2

Accounts, Wallets & Transactions

beginner ⏱️ 25 min
→
3

Gas: The Cost of Computation

beginner ⏱️ 20 min
→
4

Smart Contracts: Code That Holds Money

beginner ⏱️ 25 min
→
5

The EVM: How Ethereum Executes Code

intermediate ⏱️ 35 min
→
6

ABI & Contract Interaction

intermediate ⏱️ 30 min
→

Chapter Quiz

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