Cryptocurrency in Plain English

Cryptocurrency sits at the intersection of technology, economics, and finance. This hub collects guides that explain how crypto actually works — wallets, keys, consensus, and the developer tooling behind it — without the hype.

82 articles · Updated September 23, 2026

Self-custody means self-responsibility: if you lose your keys, no one can recover them for you. Understand that before anything else.

Related topics

Web3 & CryptoWeb3BlockchainCryptoBlockchain DevelopmentDeFiFintechFinanceInvestingCrypto InvestingEthereumNFTs

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Frequently asked questions

Quick answers about this topic hub.

How does cryptocurrency work?▾

Cryptocurrencies record transactions on a public, distributed ledger (a blockchain) secured by cryptography and a consensus mechanism. No central authority is needed — the network agrees on the state of balances collectively.

What is the difference between a coin and a token?▾

A coin (like Bitcoin or Ether) is native to its own blockchain. A token is built on top of an existing blockchain using smart contracts, such as the many tokens issued on Ethereum.

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