Build real crypto knowledge

Learn how crypto systems work, avoid common traps, and unlock rewards as your understanding grows.

What is a blockchain

1 of 10 topics

Low-poly bull explorer facing glowing blockchain cubes with lock and security eye, representing crypto and blockchain security concepts.

Blockchain is bigger than Bitcoin

It’s a decentralized system where no single player controls the game. Transactions are verified by the network, secured through cryptography and stored transparently for everyone to see.


This skill shows how blockchain works, why it’s different from traditional databases and why its impact goes far beyond Bitcoin.


You’ll learn:


  1. How blockchain technology works under the hood and why it’s hard to tamper with
  2. Why decentralization makes blockchain secure, transparent and resistant to single points of failure
  3. What separates blockchain from traditional databases and why it’s a game changer for more than crypto