The swap fee a pool charges, such as 0.05 percent or 1 percent, guiding where flow goes.

Settling many pool interactions as one net balance change at the end of a transaction.

An uncollateralized loan that must be borrowed and repaid inside the same transaction, used for arb and liquidations.

Seeing a pending transaction and inserting your own ahead of it for profit.

Providing liquidity from price zero to infinity, the Uniswap v2-style position.