BlockchainIntermediate#DeFi#Market Making
Liquidity Pool
L
Definition
Assets supplied to a smart-contract market-making system so swaps can execute against its rules instead of a traditional order book. The assets, fees, price curve, liquidity shares, withdrawal conditions, and risks depend on the specific pool and protocol.
Source reviewed
- Uniswap v2: Pools opens in a new tab
Supports: Documents v2 pair pools, LP shares, reserve ratios, fees, initial price setting, and withdrawal mechanics. Other AMM versions can differ.
- Uniswap: Concentrated Liquidity opens in a new tab
Supports: Documents range-based liquidity, inactive positions outside a range, and one-asset exposure in Uniswap v3/v4. It is not a return forecast.
Concept Diagram
Key Takeaways
1
A liquidity pool is a protocol-specific smart-contract market, not a yield account
2
The withdrawal asset mix and value can change as swaps move the pool's reserves
3
Concentrated positions can become inactive and stop earning configured fees outside their selected range
4
TVL, APR, volume, fees, and incentives do not prove safety, return, or exit liquidity
Practical Example
Before adding liquidity to a range-based ETH/USDC pool, a user verifies the exact pool, fee tier, contracts, range, current token amounts, fee conditions, incentives, and withdrawal route. They model the position as changing ETH and USDC exposure, not as a fixed-yield deposit, and re-check it if price leaves the selected range.
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Related Terms
Blockchain
TVL (Total Value Locked)A provider-calculated USD value of assets included in a DeFi protocol or chain at a stated time. The figure depends on contract coverage, asset prices, inclusion rules, and treatment of composable or bridged assets; it is not liquidity, safety, adoption, or revenue by itself.
Blockchain
AMM (Automated Market Maker)A smart-contract market design that quotes swaps from pool state and a specified pricing rule instead of matching a traditional order book. The formula, fees, liquidity range, oracle behavior, and risks are protocol and pool specific.
Blockchain
DEX (Decentralized Exchange)An exchange design that uses blockchain transactions, smart contracts, or an onchain order book to match or execute trades. Custody, operator roles, access controls, fees, execution, and protections vary by protocol and jurisdiction.
Blockchain
Impermanent LossThe difference between an AMM liquidity position's value and the value of holding its deposited assets outside the pool at the same prices. It depends on the pool curve, price path, fees, range, token behavior, and withdrawal time; it is not a guaranteed temporary loss or yield forecast.
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