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For information and learning only. Not investment advice. Crypto assets involve risk.

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Glossary

Terms50 shown

Algorithmic tradingA method of executing trades using automated software that follows predefined instructions; the software can access the trading platform API to monitor conditions and submit or cancel orders.
All or None Order (AON)An order that requires the entire order quantity to be filled at the specified price in a single transaction; otherwise, it will not be executed.
All or Nothing (AON)The order must be filled in its entirety, but is not subject to an immediate execution time limit; it may remain open until fully filled or canceled.
Block TradeLarge orders privately negotiated outside the public order book, with the aim of reducing slippage and market impact.
BlockchainA decentralized digital ledger that records cryptocurrency transaction information in chronological order.
Buy WallA large limit buy order concentrated at the same price in the order book, which may slow or prevent a price decline.
C2CA peer-to-peer trading model in which buyers and sellers can directly select their counterparties, set prices, and arrange transactions without relying on a centralized platform for order matching.
Fill Or Kill Order (FOK)The order must be filled in full immediately at the specified price or a better price; otherwise, the entire order is canceled, and partial fills are not allowed.
GTCThe limit order setting remains valid until canceled, with the maximum validity period stipulated in the document being 90 days.
Immediate or Cancel (IOC)The order is required to be executed immediately; the executable portion will be filled first, and any unfilled portion will then be canceled.
MakerA participant whose order is not executed immediately after submission, leaving it in the order book to await subsequent matching by others.
Market ordersOrders executed at prices available in the market at the time, typically allowing partial fills.
OCO OrderOCO is a one-of-two order that can have take-profit and stop-loss orders set simultaneously; when one order is triggered or executed, the other is canceled accordingly.
OCO(Choose one of two) OrderAn order that combines a limit order with a limit take-profit/stop-loss order, ultimately allowing only one of the two orders to be filled.
OTOCOFirst execute a primary opening order, then automatically activate a set of OCO three orders comprising take-profit and stop-loss exit orders.
OrdinalsA Bitcoin protocol that numbers satoshis according to mining order and allows data to be inscribed on satoshis.
Over the Counter (OTC) tradingA method of buying and selling cryptocurrencies conducted outside the exchange’s public order book, which can avoid large orders directly impacting the available trading volume in the order book.
POVPercentage-of-volume (POV) strategy, executing orders at a set proportion of market trading volume.
Secret Recovery PhraseAn ordered set of words used to restore a self-custodied wallet and its derived accounts.
Stop-loss ordersOrders that automatically close a position when the price falls below a preset threshold, limiting losses from further declines.
TWAPA time-weighted average price strategy that spreads order execution over a period of time to reduce the market impact of a single large transaction.
algorithmic tradingEvidence treats it as one of the trading scenarios in which AON orders can be used.
fill or kill (FOK)An order type that requires the order to be filled in full immediately; otherwise, it is canceled.
iceberg orderAn order type that breaks a large order into smaller visible portions.
last priceThe execution price of the most recent completed trade in the order book.
limit buy orderAn order to buy an asset at a specified price; when a large number of such orders cluster at the same price level, they may form a buy wall.
limit orderAn order that allows traders to set a specific selling price or other price conditions; it may remain pending until the priority conditions are met.
limit ordersAn order with the maximum purchase price or minimum selling price set by the trader; it can only be executed at that price or a better price.
liquidRefers to a liquid market condition with many buy and sell orders and participants, typically characterized by a narrow bid-ask spread.
liquidityThe amount available for trading in a market and its capacity to match and absorb orders.
market orderAn order executed at the best available price, where the ask price cannot be specified manually.
order bookAn order book that records the buy and sell orders available in the market, along with their quantities and prices.
sell wallA large concentration of sell orders at the same price that may slow a price increase.
sell wallsConcentrated, relatively large sell orders create selling pressure that may prevent the price from rising further.
stop-limit orderA conditional order triggered by the price level, rather than executed based on whether it is fully filled.
stop-lossAn order placed around a specific price to execute a stop-loss when the price is reached; concentrated triggering may accelerate the breakout move.
whalesLarge holders with sufficient capital to place very large orders.
Triangular FraudColluding buyers place simultaneous orders, make partial payments, and falsely claim full payment to confuse the seller, inducing the release of cryptocurrency exceeding the amount corresponding to the funds actually received.
Centralized Exchange (CEX)A platform that matches buy and sell orders through an order book and completes cryptocurrency exchanges at the market price of the trading pair.
Transaction nonceA sequential counter assigned to a wallet address on account-model blockchains, used to order transactions and prevent duplicate submissions.
Price-Time PriorityA rule under which orders are matched first by price, and when prices are the same, processed according to the time they were placed.
Seed phraseAn ordered sequence of words used to recover private keys. Never provide it to customer support or unfamiliar websites.
Matching engineA software system that processes and matches buy and sell orders in financial markets.
Taker feeThe fee typically charged when a market order consumes existing liquidity in the order book.
Over-the-counter (OTC)Buyers and sellers trade assets through direct negotiation without using an order book.
Over-the-counter trading (OTC）A trading method in which the two parties negotiate the price and quantity directly rather than through a trading platform’s order book.
Block tradeThe purchase or sale of a large quantity of assets completed through private negotiation outside the public order book.
Market OrderAn instruction to execute a buy or sell as quickly as possible at the best available price currently shown in the order book, without setting a maximum or minimum execution price.
Market Take-Profit/Stop-Loss OrderOnce triggered, the order prioritizes execution as quickly as possible at the market price, providing a higher certainty of execution; however, the final price may differ from expectations.
Stop-loss orderAn order that triggers a sell action when the price reaches a preset condition, used to limit losses or protect existing gains.

Definition

fill or kill (FOK)

An order type that requires the order to be filled in full immediately; otherwise, it is canceled.

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