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
The complete guide to seed phrases: how BIP-39 encodes them, how BIP-32/44 derive every key on every chain, how to store them safely, what they do and do not recover, and the failure modes that only appear at restore time.
12 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
