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Crypto Glossary
1,343 crypto, Web3, and DeFi terms — plain-English definitions from the BlockInsider editorial desks.
S
- S&P 500 (Standard and Poor’s 500)
- SHA-256
- SHO (Strong Holder Offering)
- SIM-Swap
- SPAC
- SPL
- Sandwich Trading
- Satoshi (SATS)
- Satoshi Nakamoto
- Scaling Problem
- Scaling Solution
- Scam
- Scamcoin
- Scammer
- Scholarship/Scholar
- Script
- Scripting Programming Language
- Scrypt
- Second-Layer Solutions
- Secondary Market
- Secure Asset Fund for Users (SAFU)
- Secure Element
- Secure Multi-Party Computation (sMPC)
- Secure Proof of Stake (SPoS)
- Securities and Exchange Commission (SEC)
- Security
- Security Audit
- Security Token
- Security Token Offering
- Seed Funding
- Seed Phrase
- Seed Tag
- Segregated Witness (SegWit)
- Selfish Mining
- Sell Wall
- Semantic Web
- Sentiment
- Series B Funding
- Settlement
- Settlement Layer
- Shamir’s Secret Sharing
- Shanghai Upgrade
- Shard Chain
- Sharding
- Sharpe Ratio
- Shelley Phase
- Shiba Inu Token (SHIB)
- Shielded Address
- Shielded Transaction
- Shilling
- Shitcoin
- Short
- Short Squeeze
- Side Channel Attack
- Sidechain
- Sidechains
- Signal
- Silk Road
- Simple Agreement for Future Token (SAFT)
- Simple Ledger Protocol (SLP)
- Simplified Payment Verification (SPV)
- Skynet
- Slashing
- Slippage
- Slot (Cardano)
- Smart Contract
- Smart Contract Audit
- Smart Home
- Smart Money
- Smart Token
- Smart Treasury (Balancer)
- Snapshot
- Social Engineering
- Social Recovery Wallet
- Social Trading
- SocialFi
- Soft Cap
- Soft Fork (Blockchain)
- Soft Landing
- Soft Peg
- Software Library
- Software Stack
- Software Wallet
- Solana Virtual Machine (SVM)
- Solidity
- Source Code
- Spear Phishing
- Speculative Investment
- Spoon (Blockchain)
- Spot
- Spot Trading
- Spyware
- Stablecoin
- Stacking Sats
- Stagflation
- Staking
- Staking Pool
- Stale Block
- State Channel
- Stochastic Oscillator
- Stock-to-Flow Ratio
- Stop-Loss Order
- Storage (Decentralized)
- Storage Miners
- Storage Node
- Store of Value
- Stroop
- Subgraph Manifest
- Subnet
- Substrate
- Succinct Proofs of Random Access (SPoRA)
- Supercomputer
- Supercycle
- Supply Chain
- Supply Chain Attack
- Supply and Demand
- Support
- Support Level
- Surge (Ethereum)
- Swarm
- Swing Failure Pattern (SFP)
- Swing Trading
- Sybil Attack
- Symbol
- Symmetric Key Cryptography
- Synthetic Asset
