The crypto glossary A–Z
The words from the charts, the wallet pop-ups and the group chat. Get the meaning, see an example and follow the source.
Stop order
An order activated when a specified price or other trigger condition is reached.
Swap
An exchange of one asset for another, often executed through a blockchain trading protocol.
Swap fee
A charge applied by a trading protocol when exchanging assets.
Sysvar
A Solana system variable that exposes cluster information to programs.
Taproot
A Bitcoin output design supporting key-based spending and optional committed script spending paths.
Testnet
A separate blockchain network intended for testing software and applications.
Tick
A discrete price boundary used to organize ranges in certain concentrated-liquidity AMMs.
Timelock
A spending constraint tied to a specified time or block requirement.
Timelock governance
A governance mechanism that delays execution of approved actions for a specified period.
To the moon
A crypto cheer for a huge price rise, or the hope that one is coming.
Token
An onchain unit recorded by a protocol or application that can represent value, access or a claim.
Token approval
Permission for a specified spender to move tokens under the token contract's rules.
Token burn
A process that removes token units from usable supply under a defined mechanism.
Token ID
An identifier for a token or token type within a particular contract.
Token issuance
The creation and distribution of new asset units under protocol or contract rules.
Tokenized vault
A contract that pools an asset and issues shares representing a claim on its managed holdings.
Transaction
An authorized request to change a blockchain’s state, such as moving assets or calling a contract.
Transaction fee
The amount paid for transaction inclusion or resource use under a blockchain's rules.
Transaction ID
An identifier computed from a transaction's protocol-defined serialized data.
Transaction input
The part of a Bitcoin transaction that identifies an earlier output being spent.
Transaction malleability
The ability to change a transaction’s identifier without changing its intended payment effect.
Transaction nonce
An Ethereum account’s sequential transaction counter, used to order transactions and prevent replay.
Transaction output
The part of a Bitcoin transaction that assigns value and specifies the conditions for spending it.
Transaction receipt
A record of an included Ethereum transaction’s execution result, including status, gas use and logs.
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Concept entries explain ideas. Our separate asset registry identifies coins, tokens and networks by source metadata. Sources & standards