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Blockchain Basics

Blockchain Basics
How crypto actually works, in plain language
Foundational explanations of the systems behind Bitcoin, Ethereum, and the wider crypto stack. The goal is mechanism over marketing — what these systems do, why they fail, and what users actually rely on.
How blockchains, blocks, and consensus actually work
Wallets, addresses, keys, and signatures explained
Common terms decoded without analogies that mislead
Why specific design choices matter for everyday users