Crypto Glossary
Plain-English definitions for the most important terms in crypto and blockchain.
A–C
Altcoin — Any cryptocurrency other than Bitcoin.
AMM (Automated Market Maker) — A decentralised exchange protocol that prices assets using a mathematical formula rather than an order book.
Bear market — A period of sustained price decline, typically >20% from recent highs.
Bull market — A period of sustained price increase.
CEX (Centralised Exchange) — A crypto exchange operated by a company (e.g. Binance, Coinbase).
Cold wallet — A crypto wallet not connected to the internet, used for secure long-term storage.
D–L
DeFi (Decentralised Finance) — Financial services built on public blockchains without intermediaries.
DEX (Decentralised Exchange) — A peer-to-peer exchange operating via smart contracts.
DYOR — Do Your Own Research. A reminder that investment decisions are your own responsibility.
Gas fees — Transaction costs on Ethereum and compatible networks.
Halving — A programmatic reduction of Bitcoin's block reward, occurring every ~4 years.
Layer 2 — A scaling solution built on top of a base blockchain to increase speed and reduce costs.
Liquidity — The ease with which an asset can be bought or sold without affecting its price.
M–Z
Market cap — Total market value of a cryptocurrency (price × circulating supply).
NFT (Non-Fungible Token) — A unique digital asset verified on a blockchain.
On-chain — Data or activity recorded directly on a blockchain.
Proof of Stake (PoS) — A consensus mechanism where validators lock up tokens to secure the network.
Proof of Work (PoW) — A consensus mechanism requiring computational effort to validate transactions.
Stablecoin — A cryptocurrency designed to maintain a stable value, usually pegged to USD.
TVL (Total Value Locked) — The total capital deposited in a DeFi protocol.
Whale — An entity holding a large amount of cryptocurrency, capable of influencing prices.