Glossary
All things DeFi and security in plain English. Our glossary breaks down complex terms and concepts into relatable language, making it easier for you to grasp the essentials of blockchain security.
All Terms
A
C
Concentrated Liquidity
A liquidity provision model where LPs can specify custom price ranges for their capital.
Constant Product Formula
The mathematical formula (x · y = k) that governs automated market makers, maintaining a constant product of token reserves.
Core/Periphery Architecture
A design pattern separating immutable fund-holding contracts (core) from upgradeable user-facing contracts (periphery).
F
Factory Contract
A smart contract that deploys and manages exchange contracts, serving as a registry for decentralized exchange pools.
Fee Tiers
Multiple fee levels (0.05%, 0.30%, 1.00%) per token pair in Uniswap v3 to accommodate different risk profiles.
Fee-on-Transfer Tokens
ERC20 tokens that deduct a fee during transfers, causing integration issues with protocols that assume full amounts are received.
Flash Accounting
A gas optimization technique that tracks balance deltas during a transaction and only settles the final net amount.
Flash Swaps
A Uniswap v2 feature allowing users to borrow any amount of tokens at no upfront cost, perform arbitrary actions, and repay within the same transaction.
Front-running
The practice of observing pending transactions and submitting similar transactions with higher gas fees to execute first, extracting value.
S
Sandwich Attack
An MEV attack where an attacker front-runs and back-runs a victim's trade to extract profit from the induced price movement.
Singleton Architecture
A design pattern where all pools are managed within a single unified contract, reducing gas costs.
Slippage
The difference between the expected price of a trade and the actual execution price, caused by market movement or liquidity constraints.
sqrtPriceX96
Fixed-point number format used in Uniswap v3 representing the square root of price multiplied by 2^96.
T
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