Clear, beginner-friendly explanations of coins, wallets, and crypto concepts.
Cold storage means keeping crypto private keys completely offline to protect them from online threats.
GlossaryA crypto exchange is a platform where you can buy, sell, and trade cryptocurrencies, similar to a stock brokerage.
ConceptA crypto faucet gives out small amounts of crypto for free, most commonly testnet coins used for testing.
ConceptA crypto index tracks the combined performance of a group of cryptocurrencies to show a broad market trend.
GlossaryA crypto wallet stores the keys that prove you own your coins, not the coins themselves.
ConceptA DAO is an organization run by its members through token-based voting and smart contracts, without central management.
ConceptA DeFi protocol is a set of smart contracts that provides financial services without a central intermediary.
ConceptA flash loan lets you borrow without collateral as long as the loan is repaid within the same transaction.
ConceptA governance token gives holders the right to vote on decisions about a protocol or project.
ConceptA hardware wallet is a physical device that stores your private keys offline, away from online threats.
ConceptA hash is a fixed-length fingerprint of data that helps secure and link information on a blockchain.
ConceptA Layer 1 is a base blockchain, like Bitcoin or Ethereum, that settles transactions on its own network.
ConceptA Layer 2 is a network built on top of a base blockchain to make transactions faster and cheaper.
ConceptA ledger is a record of transactions, and in crypto it is shared across many computers rather than held centrally.
ConceptA market order executes immediately at the current price, while a limit order waits for a price you choose.
ConceptA liquidity pool is a shared pot of funds that lets people trade tokens directly through a smart contract.
ConceptA multisig wallet requires more than one key to approve a transaction, adding a layer of shared security.
ConceptA node is a computer that keeps a copy of the blockchain and helps verify transactions across the network.
ConceptA phishing attack tricks you into revealing keys or approving harmful transactions by pretending to be something you trust.
GlossaryA private key is the secret code that proves ownership and lets you spend your cryptocurrency.
ConceptA public key is a shareable code that lets others send you crypto, while its matching private key stays secret and controls the funds.
ConceptA rollup bundles many transactions together off the base chain and settles them as one, to improve scale.
GlossaryA seed phrase is a sequence of words that can fully restore your crypto wallet on any device.
GlossaryA smart contract is a self-executing program on a blockchain that automatically carries out agreed-upon rules.