Beginner
Blockchain Basics
Start here. Understand what a blockchain actually is, why it matters, and how blocks link together — no prior technical background needed.
4 lessons
A gentle, plain-language introduction to blockchain technology. By the end you will understand shared ledgers, how blocks are chained by hashes, and how networks agree on a single history without a central authority.
Chapters & lessons
What is a Blockchain?
The core idea: a ledger that everyone shares and no one owns.
How Consensus Works
How thousands of strangers agree on one history.
Learn crypto & blockchain, one clear lesson at a time.
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