A
- Airdrop
- A distribution of free tokens to wallet addresses, often used to reward early adopters or promote new projects.Learn more
- Altcoin
- Any cryptocurrency other than Bitcoin. Includes Ethereum, Solana, Cardano, and thousands of smaller tokens.Learn more
- AMM (Automated Market Maker)
- A decentralized exchange mechanism that uses liquidity pools and mathematical formulas instead of order books to determine asset prices.Learn more
B
- Bear Market
- A prolonged period of declining prices, typically defined as a 20% or greater drop from recent highs. Characterized by pessimism and reduced trading activity.Learn more
- Bitcoin (BTC)
- The first and largest cryptocurrency by market cap, created in 2009 by the pseudonymous Satoshi Nakamoto. A decentralized digital currency that operates on a proof-of-work blockchain.Learn more
- Block
- A collection of transaction data that is bundled together and added to the blockchain. Each block contains a cryptographic hash of the previous block, creating a chain.
- Blockchain
- A distributed, immutable ledger technology that records transactions across a network of computers. Each block is cryptographically linked to the previous one.Learn more
- Bridge
- A protocol that enables the transfer of tokens and data between different blockchain networks. Examples include Wormhole and Stargate.Learn more
- Bull Market
- A sustained period of rising prices, characterized by optimism, increased investment, and growing market confidence.
C
- CBDC (Central Bank Digital Currency)
- A digital form of fiat currency issued and regulated by a central bank. Examples include China digital yuan and the proposed digital euro.Learn more
- CEX (Centralized Exchange)
- A cryptocurrency exchange operated by a company that acts as an intermediary between buyers and sellers. Examples: Coinbase, Binance, Kraken.Learn more
- Cold Wallet
- A cryptocurrency wallet that is not connected to the internet, providing enhanced security for long-term storage. Hardware wallets like Ledger and Trezor are cold wallets.Learn more
D
- DAO (Decentralized Autonomous Organization)
- An organization governed by smart contracts and token-holder voting rather than traditional corporate hierarchy.Learn more
- DCA (Dollar-Cost Averaging)
- An investment strategy where a fixed amount is invested at regular intervals regardless of price, reducing the impact of volatility over time.Learn more
- DeFi (Decentralized Finance)
- Financial services built on blockchain networks that operate without traditional intermediaries like banks. Includes lending, borrowing, trading, and insurance.Learn more
- DePIN (Decentralized Physical Infrastructure)
- Blockchain networks that coordinate the deployment and operation of real-world physical infrastructure through token incentives.Learn more
- DEX (Decentralized Exchange)
- A cryptocurrency exchange that operates without a central authority, using smart contracts to facilitate peer-to-peer trading. Examples: Uniswap, Jupiter.Learn more
E
- Ethereum (ETH)
- The second-largest cryptocurrency and the leading smart contract platform. Supports DeFi, NFTs, and thousands of decentralized applications.Learn more
- ETF (Exchange-Traded Fund)
- A regulated investment vehicle that tracks the price of an asset and can be traded on traditional stock exchanges. Spot Bitcoin and Ethereum ETFs are now available.Learn more
- EVM (Ethereum Virtual Machine)
- The runtime environment for smart contracts on Ethereum and EVM-compatible chains like Polygon, Arbitrum, and BNB Chain.
G
- Gas Fee
- The cost paid to process a transaction on a blockchain network. On Ethereum, gas fees vary based on network congestion.Learn more
H
- Halving
- A programmed event where the Bitcoin block reward is cut in half, occurring approximately every four years. Reduces new BTC supply and historically precedes bull markets.Learn more
- Hash Rate
- The total computational power being used to mine and process transactions on a proof-of-work blockchain. Higher hash rate means greater network security.
- HODL
- A crypto community term meaning to hold assets long-term rather than selling during volatility. Originated from a misspelling of "hold" in a 2013 Bitcoin forum post.
- Hot Wallet
- A cryptocurrency wallet connected to the internet, offering convenience for frequent trading but higher security risk compared to cold wallets.Learn more
I
- Impermanent Loss
- The difference in value between holding tokens in a liquidity pool versus simply holding them in a wallet. Occurs when the price ratio of pooled tokens changes.
L
- Layer 1 (L1)
- The base blockchain network (e.g., Bitcoin, Ethereum, Solana) that processes and finalizes transactions directly on its own chain.Learn more
- Layer 2 (L2)
- A secondary network built on top of a Layer 1 blockchain to improve scalability and reduce fees. Examples: Arbitrum, Optimism, Base, zkSync.Learn more
- Liquidity Pool
- A collection of tokens locked in a smart contract that provides liquidity for decentralized trading. Liquidity providers earn fees from trades.Learn more
M
- MEV (Maximal Extractable Value)
- The maximum value that can be extracted from block production beyond standard block rewards, often through transaction reordering or front-running.Learn more
- Mining
- The process of using computational power to validate transactions and create new blocks on a proof-of-work blockchain like Bitcoin.
- Multisig (Multi-Signature)
- A wallet that requires multiple private key signatures to authorize a transaction, providing enhanced security for teams and organizations.Learn more
N
- NFT (Non-Fungible Token)
- A unique digital token that represents ownership of a specific asset such as art, music, or collectibles on a blockchain.Learn more
O
- On-Chain
- Refers to transactions or data that are recorded directly on the blockchain, as opposed to off-chain activity.
- Oracle
- A service that provides real-world data to smart contracts on a blockchain. Chainlink is the most widely used oracle network.Learn more
P
- Private Key
- A cryptographic key that proves ownership of cryptocurrency and is required to sign transactions. Must be kept secret — anyone with your private key controls your funds.
- Proof of Stake (PoS)
- A consensus mechanism where validators stake cryptocurrency as collateral to verify transactions. Used by Ethereum, Solana, and most modern blockchains.Learn more
- Proof of Work (PoW)
- A consensus mechanism where miners compete to solve complex mathematical puzzles to validate transactions and create new blocks. Used by Bitcoin.
R
- Restaking
- The practice of using already-staked ETH to provide security for additional protocols, earning multiple layers of yield. Pioneered by EigenLayer.Learn more
- RWA (Real-World Assets)
- Traditional financial assets such as real estate, bonds, and commodities that have been tokenized and brought on-chain.Learn more
S
- Seed Phrase
- A 12 or 24-word recovery phrase that can restore access to a cryptocurrency wallet. Must be stored securely offline — never share it with anyone.
- Smart Contract
- Self-executing code deployed on a blockchain that automatically enforces the terms of an agreement when predetermined conditions are met.Learn more
- Stablecoin
- A cryptocurrency pegged to a stable asset like the US dollar. Examples include USDT (Tether), USDC (Circle), and DAI (MakerDAO).Learn more
- Staking
- The process of locking cryptocurrency in a network to support blockchain operations (like transaction validation) in exchange for rewards.Learn more
T
- Token
- A digital asset created on an existing blockchain (as opposed to a coin which has its own blockchain). ERC-20 tokens on Ethereum are the most common.
- Tokenomics
- The economic design of a cryptocurrency token, including supply mechanics, distribution, utility, and incentive structures.Learn more
- TVL (Total Value Locked)
- The total amount of cryptocurrency deposited in a DeFi protocol. Used as a key metric to measure a protocol adoption and trust.
V
- Validator
- A node operator in a proof-of-stake network that verifies transactions and proposes new blocks. Validators stake cryptocurrency as collateral.
W
- Wallet
- Software or hardware that stores your private keys and allows you to send, receive, and manage cryptocurrency. Types include hot wallets, cold wallets, and smart wallets.Learn more
- Web3
- The vision of a decentralized internet built on blockchain technology, where users own their data, identity, and digital assets.
- Whale
- An individual or entity that holds a large amount of cryptocurrency, whose trading activity can significantly impact market prices.
Y
- Yield Farming
- A DeFi strategy where users move assets between protocols to maximize returns from trading fees, liquidity incentives, and governance token rewards.
Z
- Zero-Knowledge Proof (ZKP)
- A cryptographic method that allows one party to prove something is true without revealing the underlying data. Used for privacy and scaling (ZK rollups).Learn more