DeFi terms, demystified
A plain-language reference for the words you'll meet across the on-chain world.
APY
Annual percentage yield — the real rate of return on an asset over a year, accounting for compounding.
Airdrop
A distribution of tokens to wallet holders, often used to reward early users or bootstrap a community.
AMM
Automated market maker — a smart contract that prices and settles trades from a liquidity pool instead of an order book.
Bridge
A protocol that moves assets between separate blockchains.
Block
A batch of transactions added to a blockchain and confirmed by the network.
Custody
Who controls the private keys to an asset. Self-custody means you hold them; custodial means a third party does.
Collateral
Assets locked to back a loan or position, returned when the obligation is settled.
DeFi
Decentralized finance — financial services built on public blockchains without traditional intermediaries.
DEX
A decentralized exchange where trades settle peer-to-peer through smart contracts.
Gas
The fee paid to process a transaction on a blockchain, priced by network demand.
Governance
The on-chain process by which token holders vote on changes to a protocol.
Liquidity
How easily an asset can be bought or sold without moving its price.
Ledger
The shared record of every transaction on a blockchain.
Multi-sig
A wallet that requires several signatures to authorize a transaction.
Mainnet
The live, production blockchain where real value moves.
Staking
Locking tokens to help secure a network in exchange for rewards.
Slippage
The difference between the expected and executed price of a trade.
Smart contract
Self-executing code on a blockchain that runs exactly as written.
Wallet
Software or hardware that stores the keys used to access on-chain assets.
Web3
The vision of an internet built on user-owned, blockchain-based applications.
Yield
The income generated by an asset, often from staking, lending or providing liquidity.
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