Glossary (72)

**Fill or kill (FOK) is an execution condition requiring the entire order to fill immediately or be canceled in full.** It accepts no partial fill and

**A maker is the party that first provides a quote in an order book and later trades when another order matches it.** An order book records unfilled b

**A taker is the party that immediately matches and trades against a quote already in the order book.** The order book records unfilled buy and sell q

**The bid-ask spread is the difference between the lowest ask and highest bid in the same market at the same time.** In an order-book-based crypto mar

**A post-only order adds a requirement to a limit order: post a quote without immediately taking an existing one.** In order-book-based crypto spot an

**An immediate-or-cancel (IOC) order requires the quantity currently available to fill immediately, with any unfilled remainder canceled.** In order-b

**A trigger order submits an actual buy or sell order to the trading system only after a preset condition is met.** In crypto trading, the condition i

**A stop-loss order is a conditional order that triggers an asset sale or position-closing order when the price reaches a preset condition adverse to

**In risk monitoring on crypto trading interfaces, a margin ratio compares eligible collateral equity with position requirements using a product-defin

**Liquidation is the process in which a platform reduces or closes positions under its rules when an account or position no longer meets collateral or

Explore key crypto, blockchain, and trading terms through concise definitions, organized alphabetically for quick reference. [A](#a) · [B](#b) · [C](#

**A trailing stop adjusts its trigger level as prices move favorably and submits an order once a reversal reaches a specified distance.** In crypto tr

**A funding rate is the proportion used to calculate funding payments between long and short perpetual positions; funding fees are the actual amounts

**In a crypto exchange’s liquidation mechanism, an insurance fund is a pool used under defined rules to address eligible loss shortfalls.** If availab

**Maintenance margin is the minimum ongoing collateral requirement for keeping a leveraged position open.** In crypto contract trading, a platform com

**Initial margin is the collateral requirement for opening a leveraged position under trading rules.** In crypto contract trading, the platform checks

**An estimated liquidation price is the reference price at which a platform estimates liquidation may be triggered under current account and position

**A mark price is a reference calculated under a platform’s rules for position valuation and risk assessment.** Crypto contract pages often show it al

**An index price is an asset reference calculated using specified price sources and rules, usually combining several spot markets.** In crypto contrac

**A take-profit order is a conditional order that triggers an asset sale or position-closing order when the price reaches a preset favorable target.**

Cryptocurrency mining is the process of using computer hardware to perform hash calculations in a blockchain network that uses Proof of Work (PoW), he

A block reward is compensation available under network rules for participating in valid block production. It incentivizes equipment, computing power

Open interest (OI) is the size of derivative contracts not yet closed or settled at a particular time. In crypto futures and perpetual markets, it de

Slippage is the deviation between an actual execution price and a reference price selected beforehand. In crypto trading, the quote seen before submi