Solidity

Solidity language, patterns, gas optimization, and security

2 chapters 6 lessons 62 min total

Solidity Language

3 lessons · 28 min
FREE
Data Types and Variables
uint, address, mapping, struct
10 min FREE
Functions and Modifiers
Visibility, payable, view, pure
10 min
Error Handling
require, revert, assert
8 min

Advanced Solidity

3 lessons · 34 min
5 credits
Inheritance and Interfaces
Contract composition
10 min
Gas Optimization
Reducing transaction costs
12 min
Proxy Patterns
Upgradeable contracts
12 min