Crypto Glossary
Plain-English definitions of every crypto term you need to know. Each term includes examples, related concepts, and links to tools that help you put knowledge into action.
Basics
Fundamental crypto concepts
Airdrop
Free tokens distributed to wallet addresses, usually as a marketing or reward mechanism.
Altcoin
Any cryptocurrency other than Bitcoin.
Bitcoin
The first cryptocurrency, created in 2009 by the pseudonymous Satoshi Nakamoto as a peer-to-peer digital cash system.
Cryptocurrency
A digital currency secured by cryptography that operates on a blockchain network.
Exchange (Crypto Exchange)
A platform where you can buy, sell, and trade cryptocurrencies.
Fiat On-Ramp
A service that lets you buy cryptocurrency using traditional money like USD, EUR, or GBP.
Halving (Bitcoin Halving)
A scheduled event that cuts the Bitcoin mining reward in half, occurring roughly every four years.
KYC (Know Your Customer)
Identity verification required by regulated crypto exchanges before you can trade.
Market Cap (Market Capitalization)
The total value of a cryptocurrency, calculated by multiplying price by circulating supply.
Memecoin
A cryptocurrency created as a joke or based on internet culture, often with no fundamental utility.
Stablecoin
A cryptocurrency designed to maintain a stable value, usually pegged to the US dollar.
Wallet (Crypto Wallet)
Software or hardware that stores your private keys and lets you send and receive cryptocurrency.
Security
Keeping your crypto safe
Cold Wallet (Hardware Wallet)
A physical device that stores your private keys offline for maximum security.
Hot Wallet
A crypto wallet connected to the internet, offering convenience but less security than cold storage.
Phishing (Crypto)
Fraudulent attempts to steal your crypto credentials through fake websites, emails, or messages.
Private Key
A secret cryptographic code that gives you control over your cryptocurrency.
Rug Pull
A scam where project creators abandon a crypto project and steal investor funds.
Seed Phrase (Recovery Phrase)
A set of 12 or 24 words that can restore access to your crypto wallet.
Self-Custody
Holding your own private keys rather than trusting an exchange or service to hold your crypto.
Token Approval
Granting a smart contract permission to spend tokens from your wallet.
Trading
Exchanges, orders, and market concepts
CEX (Centralized Exchange)
A cryptocurrency exchange operated by a company that acts as intermediary for trades.
DEX (Decentralized Exchange)
A cryptocurrency exchange that operates through smart contracts rather than a central authority.
Leverage (Margin Trading)
Borrowing funds to trade with a larger position than your own capital would allow.
Liquidation
Forced closure of a leveraged position when collateral falls below the required level.
Liquidity
How easily an asset can be bought or sold without significantly affecting its price.
Maker/Taker Fees
Exchange fee structure where makers (limit orders) pay less than takers (market orders).
Slippage
The difference between the expected price and the actual execution price of a trade.
Volatility
The degree to which the price of a crypto asset fluctuates over time.
Whale
An entity holding a very large amount of cryptocurrency — enough to influence market prices.
Investing
Strategies and yield
APY (Annual Percentage Yield)
The annualized rate of return on an investment, including compound interest.
Dollar-Cost Averaging (DCA)
An investment strategy where you buy a fixed dollar amount of crypto at regular intervals.
Lump Sum Investing
Investing all available capital at once, rather than spreading purchases over time.
Portfolio Rebalancing
Periodically adjusting your crypto holdings to maintain your target allocation percentages.
Staking
Locking up cryptocurrency to help secure a blockchain network and earn rewards.
Technology
How blockchains work
Blockchain
A distributed digital ledger that records transactions across a network of computers.
Bridge (Cross-Chain Bridge)
A protocol that transfers tokens or data between different blockchain networks.
Consensus Mechanism
The method a blockchain uses to agree on which transactions are valid and add new blocks.
Gas Fee
The cost you pay to execute a transaction on a blockchain network.
Gas Limit
The maximum amount of gas you're willing to spend on a blockchain transaction.
Layer 2 (L2)
A secondary network built on top of a blockchain to improve speed and reduce fees.
NFT (Non-Fungible Token)
A unique digital token that represents ownership of a specific item like art, music, or a collectible.
Proof of Stake (PoS)
A consensus mechanism where validators stake cryptocurrency to participate in transaction validation.
Proof of Work (PoW)
A consensus mechanism where miners solve complex puzzles to validate transactions and earn rewards.
Smart Contract
Self-executing code on a blockchain that automatically enforces the terms of an agreement.
Token
A crypto asset that runs on another blockchain rather than its own.
Validator
A node that verifies transactions and creates new blocks on a proof-of-stake blockchain.
DeFi
Decentralized finance
DeFi (Decentralized Finance)
Financial services built on blockchain that operate without traditional intermediaries.
Impermanent Loss
The temporary loss liquidity providers experience when the price ratio of pooled tokens changes.
Liquid Staking
Staking crypto while receiving a tradeable token that represents your staked position.
Liquidity Pool
A smart contract holding paired tokens that enables trading on decentralized exchanges.
Yield Farming
Earning rewards by providing liquidity or staking tokens in DeFi protocols.
Tax
Crypto tax concepts
Capital Gains (Crypto)
The profit made from selling cryptocurrency for more than you paid for it.
Cost Basis
The original purchase price of a crypto asset, used to calculate capital gains or losses for taxes.
Tax Loss Harvesting
Selling investments at a loss to offset capital gains and reduce your tax bill.
Taxable Event
A crypto transaction that creates a tax obligation, such as selling, trading, or earning rewards.
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