A sequenced ten-part course that takes absolute beginners from 'what is a blockchain?' all the way to sending their first transaction safely and understanding what to do next.
Strips away the hype to explain a blockchain as a shared ledger that no single party controls, using a simple analogy of a public notice board that everyone can read but no one can secretly erase.
5 min read · beginner
Walks through exactly what data lives inside a block, why each block references the one before it via a cryptographic hash, and why tampering with one block would visibly break the entire chain.
6 min read · beginner
Explains what a node is, why thousands of them independently store the same data, and why that redundancy makes the network resistant to shutdown or manipulation.
7 min read · beginner
Clarifies the often-confused distinction between native coins (like BTC or ETH) and tokens issued on top of an existing chain, with practical examples and real-world implications.
7 min read · beginner
Demystifies asymmetric cryptography with a padlock-and-key analogy so readers understand why a public address is safe to share but a private key must never leave their control.
6 min read · beginner
Most people assume a crypto wallet holds their coins. It doesn't. Here's what a wallet actually stores — and why that distinction changes everything about how you protect your funds.
6 min read · beginner
Traces a single send from the moment you hit confirm through signing, broadcast, the mempool, block inclusion, and final confirmation — so you understand why it takes time and why fees exist.
7 min read · intermediate
What transaction fees actually pay for, why they spike during congestion, and how to use a fee estimator to avoid overpaying on Bitcoin and Ethereum.
7 min read · beginner
How a 12 or 24-word seed phrase deterministically derives every private key in your wallet, why losing it means losing your crypto forever, and how to store it safely.
8 min read · beginner
Crypto scams cost Americans $11.3 billion in 2025 alone — but most attacks follow predictable patterns. Learn to spot them and build the habits that keep your funds out of reach.
9 min read · intermediate
