• CBDC (Central Bank Digital Currency) – Digital currency issued by a central bank.
• Chainlink – A decentralized oracle network.
• Cold Wallet – Offline storage of cryptocurrencies.
• Consensus – Agreement among network participants on data validity.
• Cryptography – The practice of secure communication.
• dApp (Decentralized Application) – An application running on a decentralized network.
• DAO (Decentralized Autonomous Organization) – A community-led organization without centralized authority.
• DeFi (Decentralized Finance) – Financial services without intermediaries.
• Double Spend – Attempt to spend the same cryptocurrency twice.

Dump – Selling a large number of tokens, leading to a price drop.

• ERC-20 – A standard for Ethereum tokens.
• ERC-721 – A standard for non-fungible tokens (NFTs).
• Exchange – A platform for buying, selling, and trading cryptocurrencies.
• Faucet – A website that gives small amounts of free crypto.
• Fiat – Traditional government-issued currency like USD.
• Flippening – The hypothetical event of Ethereum surpassing Bitcoin in market cap.
• Fork – A change or split in a blockchain.
• FOMO (Fear of Missing Out) – Anxiety of missing investment opportunities.
• FUD (Fear, Uncertainty, and Doubt) – Negative information spread to affect prices.
• Full Node – A computer that stores a complete copy of a blockchain.

• Gas – Transaction fees on the Ethereum network.
• Genesis Block – The first block on a blockchain.
• Governance Token – Tokens giving holders voting rights in a project.
• Halving – Reduction of mining rewards, typically for Bitcoin.
• Hash – A unique string representing data.
• Hash Rate – The computational power used for mining.
• HODL – “Hold On for Dear Life,” meaning to hold investments despite market dips.
• ICO (Initial Coin Offering) – Fundraising method for new crypto projects.
• Immutable – Incapable of being altered, a key blockchain property.
• Interoperability – The ability of different blockchains to communicate.

• JOMO (Joy of Missing Out) – Satisfaction from avoiding risky investments.
• KYC (Know Your Customer) – Verification process requiring user identity information.
• Layer 1 – The base blockchain, like Bitcoin or Ethereum.
• Layer 2 – Scaling solutions built on top of Layer 1 blockchains.
• Ledger – A record-keeping system.
• Liquidity – Ease of converting assets into cash.
• Liquidity Pool – A pool of funds for decentralized trading.
• Long – Betting on a price increase.
• LTV (Loan-to-Value) – Ratio used in crypto lending.
• Lightning Network – A Layer 2 solution for Bitcoin transactions.

• Mainnet – The live version of a blockchain.
• Market Cap – Total value of a cryptocurrency (price × circulating supply).
• Maximalist – Someone who believes only one cryptocurrency is superior.
• Mempool – A collection of pending transactions.
• Merkle Tree – A data structure used in blockchains.
• Mining – Verifying transactions and adding them to the blockchain.
• Minting – Creating new tokens or NFTs.
• NFT (Non-Fungible Token) – A unique digital asset.
• Node – A computer that participates in a blockchain network.
• Oracle – A service that provides external data to smart contracts.

• Paper Wallet – A printed record of private and public keys.
• P2P (Peer-to-Peer) – Direct interaction without intermediaries.
• Private Key – A secret code to access cryptocurrency.
• Proof of Stake (PoS) – Consensus mechanism using staked coins.
• Proof of Work (PoW) – Consensus mechanism using computational power.
• Public Key – The address used to receive cryptocurrency.
• Pump and Dump – Inflating a token’s price to sell at a profit.
• Rekt – Heavy financial loss.
• ROI (Return on Investment) – Measure of investment profitability.
• Rug Pull – A scam where developers disappear with investor funds.

• Satoshi – The smallest Bitcoin unit (0.00000001 BTC).
• Satoshi Nakamoto – Bitcoin’s mysterious creator.
• Scalability – The ability to handle increased demand.
• Seed Phrase – A recovery phrase for a crypto wallet.
• Sharding – A scalability solution dividing the blockchain into smaller parts.
• Short – Betting on a price decrease.
• Smart Contract – Self-executing agreements with coded rules.
• Stablecoin – A cryptocurrency pegged to a stable asset.
• Staking – Locking crypto to support a network and earn rewards.
• Tokenomics – The economics of a token.

• Validator – A participant in PoS networks.
• Volatility – The rate of price fluctuations.
• Wallet – A tool for storing cryptocurrencies.
• Wash Trading – Fake trading to inflate volume.
• Whale – An individual or entity holding a large amount of cryptocurrency.
• White Paper – A document explaining a crypto project.
• Yield Farming – Earning rewards by lending or staking crypto.
• Zero-Knowledge Proof – A way to prove possession of information without revealing it.

• 51% Attack – When an entity controls most of a network’s hash rate.
• Atomic Swap – Direct exchange of cryptocurrencies without intermediaries.
• Cross-Chain – Communication between different blockchains.
• Decentralization – Lack of a central authority.
• Dusting Attack – Sending small amounts of crypto to track wallet activity.
• Hard Fork – A major blockchain protocol change.
• Soft Fork – A minor protocol update.
• Synthetic Asset – A tokenized representation of real-world assets.
• Token Burn – Permanent removal of tokens.
• Utility Token – Tokens providing access to a product or service.
• Vanity Address – Customizable crypto wallet address.
• Wrapped Token – A token pegged to another asset, like Wrapped Bitcoin (WBTC).