Blockchain Basics
Start here. What a blockchain actually is, who owns what, and why any of it is hard — no prior technical background needed.
3 chapters · 7 lessons · 52 min
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01What is a Blockchain?
- A Ledger Everyone Shares6 min
- Blocks, Hashes, and Chains8 min
- Wallets, Keys, and What "Owning" a Token Means8 min
02How Consensus Works
- Proof of Work vs Proof of Stake8 min
- Nodes and Decentralization7 min
03Layers, Rollups, and Fees
- Why Layer 2s Exist8 min
- Gas, Fees, and Block Times7 min