Address
A public destination identifier used to receive assets on a particular network.
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Short definitions for the operational terms that appear in wallets, exchanges, explorers, and safety conversations.
38 terms shown
Airdrop
A distribution of tokens, which may be legitimate, promotional, unwanted, or malicious.
Approval
Permission allowing a smart contract to spend a defined or unlimited token amount.
Block confirmation
Additional blocks recorded after a transaction’s block, increasing settlement confidence under that network’s rules.
Bridge
A system that transfers or represents value across networks, adding contract and validator dependencies.
Cold storage
Key storage designed to remain isolated from routine internet-connected use.
Consensus
The rules and process a network uses to agree on valid state.
Contract address
The network-specific address identifying a deployed smart contract.
Custodial wallet
An account where a provider controls the private keys and permits access under its policies.
Depeg
A material departure from a stable asset’s target price.
Destination tag
An additional identifier some shared deposit addresses require to credit the correct account.
Finality
The point at which a network treats a transaction as practically or formally irreversible.
Gas
A unit used to meter computation and determine transaction fees on some networks.
Hardware wallet
A signing device intended to keep private keys isolated from a general-purpose computer.
Hash
A fixed-length output derived from data, commonly used for identifiers and integrity checks.
Hot wallet
A wallet connected to online software for convenient access, with corresponding exposure.
KYC
Identity-verification procedures an operator or provider may apply to meet policy or legal requirements.
Ledger
A record of transactions or balances; public networks and private platforms may maintain different ledgers.
Liquidity
The ability to buy, sell, or redeem an asset without excessive delay or price impact.
Memo
A value required by some destinations to associate a transfer with a particular account.
Multisig
A signing arrangement requiring more than one authorized key or approval.
Network fee
A charge paid to have a transaction processed by a blockchain network.
Non-custodial wallet
A wallet where the user controls the signing keys and recovery responsibility.
Oracle
A mechanism that supplies external or cross-system information to a smart contract.
Private key
Secret signing material that authorizes transactions. It must never be shared.
Recovery phrase
A human-readable representation used to derive or restore wallet keys.
Reorg
A network history change that replaces recently accepted blocks under consensus rules.
Revocation
Removing or reducing a previously granted token approval or permission.
Seed phrase
Another term commonly used for wallet recovery words; possession may grant full control.
Slippage
The difference between an expected trade price and its execution price.
Smart contract
Program code deployed on a blockchain that executes under network rules.
Stablecoin
A token designed to track a reference value through reserves, collateral, algorithms, or other mechanisms.
Test transfer
A deliberately small first transfer used to confirm routing before sending more.
Token
A blockchain-recorded asset represented by a contract or network protocol.
Transaction hash
A network-generated identifier used to locate a transaction record.
Validator
A participant that proposes, checks, or attests to blocks under a network’s consensus design.
Wallet drainer
Malicious software or a site designed to obtain signatures or permissions that move assets.
Wrapped asset
A representation of another asset whose value depends on custody, contracts, or bridge mechanisms.