How Cryptocurrency Actually Works: Blockchain, Wallets, Keys, and Transactions Explained
Most coverage of cryptocurrency focuses on price movements and market speculation, the what and the so-what, without adequately explaining the how. This article addresses the fundamentals: what is actually happening when a transaction occurs, what a blockchain is and why it works, how wallets and private keys function, what smart contracts do, and, critically, what the technology genuinely cannot protect against.