The fundamentals of the blockchain
Understand the mechanisms of trust, from the first blocks to smart contracts.
5 lessonsSee the course
Your future begins here.
Understand blockchain. Develop your skills. Build what comes next.
THE FIRST STEP IS FREE
Blockchain,
finally within reach.
No pointless jargon. Clear ideas, concrete examples and freedom to learn at your own pace.
Start for free No credit card01UNDERSTAND
—02PRACTICE
—03BUILD
YOUR JOURNEY, BLOCK BY BLOCK.
9 coursesFrom first step to project
46 lessonsRead, understand and apply
4 labsExperiment without real money
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Find your next breakthrough.
Structured courses. Practical skills.
Wallets & Daily Security
Learn to read a transaction and recognize risky signatures.
5 lessonsSee the course
Web3 developer foundations
Tools and reflexes to move from an idea to a verifiable program.
5 lessonsSee the course
Build with Solidity
State, functions, ABI and tests: build your first contract on a local network.
5 lessonsSee the course
Understanding DeFi & Tokens
Understand pools, loans and oracles through worked numerical examples.
5 lessonsSee the course
Smart contract security
Learn how to look for faults, check for invariants and write a report.
5 lessonsSee the course
Explore Solana’s architecture
Accounts, programs and transactions: discover another development model.
5 lessonsSee the course
From prototype to Web3 project
Structure a demonstrable, documented and presentable project in your portfolio.
5 lessonsSee the course
Blockchain gaming: from gameplay to inventory
Design a useful game, a controlled economy and an ERC-1155 inventory linked to a local mini-game.
6 lessonsSee the course
The best way to understand? Try it.
Explore hashes, fees and signatures in our labs.