Crypto glossary

Plain-language meanings of common crypto terms.

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Airdrop
Free tokens distributed to wallets, often as a reward or promotion.
Altcoin
Any cryptocurrency other than Bitcoin.
AMM
Automated market maker: a smart contract that lets you swap tokens against a liquidity pool instead of an order book.
APR
Annual percentage rate: yearly return without compounding.
APY
Annual percentage yield: yearly return including compounding.
ATH
All-time high: the highest price an asset has reached.
Bear market
A period of falling prices and pessimism.
Blockchain
A shared, tamper-resistant record of transactions kept by many computers.
Bridge
A tool for moving assets from one blockchain to another.
Bull market
A period of rising prices and optimism.
CEX
Centralized exchange: a company-run platform for buying and selling crypto.
Cold wallet
A wallet whose keys are kept offline, such as a hardware wallet.
DCA
Dollar-cost averaging: buying a fixed amount at regular intervals.
DeFi
Decentralized finance: financial apps like lending and trading that run on blockchains.
DEX
Decentralized exchange: trade directly from your wallet using smart contracts.
DYOR
Do your own research.
ERC-20
A common standard for tokens on Ethereum.
FOMO
Fear of missing out; buying because of hype.
FUD
Fear, uncertainty and doubt; negative news or rumours.
Funding rate
A periodic payment between long and short traders in perpetual futures that keeps the price close to the spot price.
Gas fee
The fee paid to the network to process a transaction.
Halving
A scheduled event that cuts Bitcoin's mining reward roughly every four years.
Hot wallet
A wallet connected to the internet, such as a mobile or browser wallet.
KYC
Know your customer: identity verification required by many exchanges.
Layer 2 (L2)
A network built on top of another blockchain to make it cheaper and faster.
Leverage
Borrowing to trade a larger position than your own money allows. It magnifies both gains and losses.
Liquidation
When a leveraged position is closed automatically because losses have used up its margin.
Liquidity
How easily an asset can be bought or sold without moving its price much.
Market cap
Price multiplied by circulating supply: a measure of size.
Memecoin
A token driven mostly by internet culture and hype rather than utility.
Mining
Using computing power to validate transactions and earn rewards on proof-of-work blockchains such as Bitcoin.
NFT
Non-fungible token: a unique digital item recorded on a blockchain.
Perpetual futures
A derivative contract with no expiry date that tracks an asset's price, often with leverage.
Private key
A secret that proves ownership of a wallet. Never share it.
Rug pull
A scam where creators drain the funds and abandon a project.
Seed phrase
A list of words that can restore a wallet. Anyone who has it can take your funds.
Slippage
The difference between the price you expected and the price you got.
Smart contract
A program on a blockchain that runs automatically when its conditions are met.
Stablecoin
A token designed to hold a steady value, such as $1.
Staking
Locking coins to help secure a proof-of-stake network in exchange for rewards.
TDS
Tax deducted at source: tax withheld at the time of a payment. In India, 1% TDS applies to many crypto transfers.
Testnet
A practice version of a blockchain that uses tokens with no real value.
TVL
Total value locked: the amount of assets deposited in a DeFi protocol.
Whale
A person or entity holding a very large amount of a cryptocurrency.
Yield farming
Moving crypto between DeFi protocols to earn rewards. It carries smart-contract and price risk.