Glossary (72)

Futures generic thumb
OKX
Futures

What is a market order?

**A market order buys or sells as quickly as possible against currently available quotes, without setting its own execution-price limit.** In order-bo
Nov 12, 2026
Cyberpunk trading generic
Strategies
Order Types

What is margin?

**Margin is cash or assets provided under defined rules as collateral for borrowing or obligations in leveraged crypto trading or derivatives trading.
Nov 12, 2026
Appropriateness assessment
Derivatives
Futures

What is leverage?

**Leverage uses borrowed assets or margined contracts to enlarge position size relative to the trader’s own equity. Equity is net asset value after li
Nov 12, 2026
Futures generic thumb
OKX
Futures

What is a perpetual contract?

**A perpetual contract, also commonly called a perpetual swap, is a derivative without a scheduled expiry date.** In crypto markets it allows long or
Nov 12, 2026
Best of Web3 thumb
Mining
Bitcoin

What is block height?

**Block height identifies a block’s position in a blockchain.** In Bitcoin, the first, or genesis, block has height 0. Subsequent blocks have heights
Nov 12, 2026
consensus-mechanism
Blockchain concepts

What is a consensus mechanism?

A consensus mechanism is the set of rules a blockchain network uses to decide which block to accept next and which ledger history to follow. Nodes rec
Nov 9, 2026
1
what-is-block
Blockchain concepts

What is a block?

A block is a data package that a blockchain uses to group new records. It usually contains transactions or other updates, along with information that
Nov 9, 2026
1
candlestick-chart
Altcoin
Trending token

What are tokenized stocks?

Tokenized stocks use tokens on a blockchain to represent a particular stock itself, an interest related to that stock, or a contract that follows the
Nov 9, 2026
1
token-standard
Ethereum

What is a token standard?

A token standard is a technical specification that sets out which functions a token program should provide, what inputs it accepts, and how it reports
Nov 9, 2026
USDC-DAI-USDT Price: Everything You Need to Know About Stablecoins
Stablecoins

What is a stablecoin?

A stablecoin is a crypto asset designed to track a reference value, commonly a fiat currency such as the US dollar. The word “stable” describes a targ
Nov 9, 2026
smart-contract
OKX
Introduction to cryptocurrencies

What is a smart contract?

A smart contract is a program deployed on a blockchain network that runs according to its code once a transaction or another program calls it. It can
Nov 9, 2026
1
seed-phrase
Security

What is a seed phrase?

A seed phrase—often called a recovery phrase or mnemonic phrase—is an ordered sequence of words that some wallets use as an input for reconstructing w
Nov 9, 2026
public-key
Security

What is a public key?

A public key is the shareable part of an asymmetric cryptographic key pair. In the digital-signature systems used by many blockchains, a private key p
Nov 9, 2026
1
proof-of-work
Bitcoin
Security

What is proof of work?

Proof of work (PoW) is a category of consensus mechanism that protects a blockchain through computational cost. Participants have to compute repeatedl
Nov 9, 2026
Delegated Proof of Stake DPoS Explained
OKX
Ethereum

What is proof of stake?

Proof of stake (PoS) is a category of consensus mechanism that protects a blockchain through staked assets and protocol rules. Participants place the
Nov 9, 2026
private-key
Security

What is a private key?

A private key is secret cryptographic material used by a signing algorithm to produce digital signatures. On a blockchain, a valid signature can satis
Nov 9, 2026
portfolio-diversification
Altcoin
Trending token

What is portfolio diversification?

Portfolio diversification is spreading a portfolio's assets or sources of risk across several objects, instead of letting the outcome depend mainly on
Nov 9, 2026
What is a Web3 wallet? Learn banner
Web3
Security

What is a non-custodial wallet?

A non-custodial wallet is an arrangement in which a service provider does not hold the user’s signing keys or equivalent unilateral authority to autho
Nov 9, 2026
endereço de carteira blockhain
Security

What is a hot wallet?

A hot wallet is a wallet arrangement in which transaction authorization is available through an internet-connected system. It can prepare and authoriz
Nov 9, 2026
hard wallet
Security
Wallets
Self-custody

What is a hardware wallet?

A hardware wallet is a purpose-built physical device that stores or derives private keys and signs requests separately from a general-purpose computer
Nov 9, 2026
how to buy crypto guide
OKX
Ethereum

What is a gas fee?

A gas fee is the amount paid for the network resources consumed by an operation on a blockchain that uses gas accounting. Gas is the accounting unit;
Nov 9, 2026
expiry-futures
OKX

What are expiry futures?

Expiry futures, also called dated futures, are futures contracts with an expiry time written in advance. What a trader holds is not the spot asset its
Nov 9, 2026
Technical analysis generic thumb
Order Types

What is a limit order?

A limit order is an order to buy or sell at a specified price or better. For a buy, the limit is the highest price the trader is willing to pay; for
Jun 2, 2026
148
how to buy crypto guide
OKX
Bitcoin

What is Bitcoin?

**Bitcoin is a peer-to-peer electronic cash system that does not depend on a central ledger operator; BTC is the digital currency transferred, held an
Oct 24, 2025
3
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