Placing a transaction immediately after another to capture leftover arb.

A buyer of last resort (auction, fund, or AMM) when collateral sales fail to cover debt.

Debt that remains after collateral is sold, socialized onto a protocol, insurance fund, or other users.

A contract that mints and burns a token along a price function as people buy and sell against it.

Taking a loan against locked collateral. Interest accrues until you repay or get liquidated.

A payment to veToken voters to point gauges at a pool. Legal in many DeFi designs, still a conflict of interest.