Learn Solidity by Practicing

The gamified platform to master Solidity and Smart Contracts. 1000+ interactive exercises, built-in IDE and real projects.

Free · No credit card · Cancel anytime

app.solingo-blockchain.xyz
Solidity
🔥 15
PRO
📖
Introduction
🔤
Variables & Types
⚡
Functions
🔒
Security
💰
DeFi Patterns
🎨
NFT Standards

20+ exercise types to master Solidity

QCM, true/false, fill code, matching, predict output and many more.

VISIBILITY
3 / 25

A public state variable automatically generates a getter function in Solidity.

✓ Correct! Public variables auto-generate getters.

Track your progress

XP, badges, streaks — everything to stay motivated.

Level 128,200 / 10,000 XP
🔥
15
day streak
Activity
Badges
⟠
First Steps
🔥
7-Day Streak
💎
Perfectionist
🏆
Top 10
⚡
Speed Runner
🎯
100 Exercises
Leaderboard
🥇
CryptoNinja
12,450 XP
🥈
SolDevPro
11,200 XP
🥉
BlockchainBob
10,800 XP
⟠
You
9,650 XP

How it works

Three steps to become a Solidity expert.

01
⟠

Choose a course

Pick from 15+ structured courses: beginner, intermediate, expert. Each level builds on the previous one.

02
🎮

Practice daily

Solve varied exercises: fill code, QCM, matching, free writing. Earn XP and unlock badges.

03
🚀

Build real projects

Apply your skills on real projects: ERC-20 tokens, NFT collections, DEX, DAO, DeFi vaults.

📝
1000+
Exercises
🚀
50+
Projects
📚
15
Courses
🎮
20+
Exercise types

Available in 3 languages

Learn in the language you're most comfortable with.

VISIBILITY
3 / 25

A public state variable automatically generates a getter function in Solidity.

✓ Correct! Public variables auto-generate getters.

Frequently asked questions

Is it really free?

+

Yes! The free plan includes all beginner courses and 50 exercises per week. The Pro plan unlocks the built-in IDE, advanced projects and unlimited access.

Do I need prior experience?

+

No. Our courses start from scratch. No prior knowledge of blockchain or programming is required.

What is the built-in IDE?

+

A professional code editor (Monaco Editor, the same as VS Code) directly in your browser. You can write, test and deploy smart contracts without installing anything.

Can I cancel anytime?

+

Yes, no commitment. Cancel from your dashboard anytime.

What languages are supported?

+

Solidity (800+ exercises), Rust (150+ for Solana), and JavaScript (100+ for Web3 frontend).

Ready to master Solidity?

Start for free