Words starting with S
Pick up a word, see how people use it and follow the next connection.
Sandwich attack
A trading attack that places transactions before and after another trader's trade to exploit its price movement.
Satoshi
One hundred millionth of a bitcoin, commonly shortened to sat.
Schnorr signature
A digital-signature construction with properties useful for certain multisignature and aggregation protocols.
Seed phrase
Recovery words used by many wallets to derive the keys that control an account.
SegWit
A Bitcoin upgrade that separates witness data, such as signatures, from the traditional transaction serialization.
Self-custody
Controlling the authorization needed to move your own blockchain assets.
Sequencer
A component or participant that orders transactions for execution in a scaling system.
Ser
A playful spelling of sir used to address someone in crypto and NFT conversations.
SHA-256
A cryptographic hash algorithm in the SHA-2 family that produces a 256-bit digest.
Shill
To push a coin or project hard, usually because you want other people to buy or pay attention.
Sidechain
A separate blockchain connected to another chain while using its own consensus security.
Slashing
A protocol penalty that removes stake for specified, provable validator misconduct.
Slippage
The difference between an expected execution result and the result actually obtained.
Slippage tolerance
The maximum unfavorable difference from a quoted trade that a user agrees to accept.
Slot
A scheduled time interval in which a proof-of-stake network may produce a block.
Smart account
An account with programmable rules for authorizing and carrying out actions.
Smart contract
A program on a blockchain that executes defined rules when it is invoked.
Smart contract audit
A scoped security review of smart-contract code and the assumptions around it.
Social recovery
A wallet design in which designated guardians help restore or change account access.
Soft fork
A rule change that narrows what is valid while remaining compatible with the older rules.
Solidity
A programming language commonly used to write smart contracts that compile to EVM bytecode.
Spot market
A market for trading the underlying asset with settlement according to the venue's delivery rules.
Stablecoin
A crypto asset designed to track a reference value, commonly a national currency.
Staking
Committing assets to support a proof-of-stake network under its validation and reward rules.
Page 1 of 2
Looking for an earlier definition? Explore the original collection
Concept entries explain ideas. Our separate asset registry identifies coins, tokens and networks by source metadata. Sources & standards