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Blockchain and Crypto

Understand blockchain and crypto from the ground up: what problem the technology solves, how consensus keeps it honest, and what actually lives on a blockchain
Lessons
9
Progress
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Lessons
What Is Blockchain & Why Was It Created?
9 minutes
What Is Cryptocurrency, And How Does It Differ from Traditional Money?
7 minutes
How Does Blockchain Actually Work? (Proof-of-Work vs. Proof-of-Stake)
7 minutes
Bitcoin, Altcoins, Stablecoins, And The Crypto Landscape
7 minutes
Smart Contracts, the Building Blocks of Web3
6 minutes
Coins, Tokens & NFTs — What's Actually on a Blockchain
7 minutes
Blockchain Beyond Currency
8 minutes
Wallets, Keys, And How To Actually Hold Crypto
7 minutes
Quiz
12 minutes