In simple terms — A protocol can “pay” people who bring it liquidity by distributing reward tokens. That reward is liquidity mining: an incentive, not money created without cost or risk.
Liquidity mining is often used to attract deposits to a new pool, a lending market, or another protocol that needs capital. A participant may receive fees or interest generated by economic activity plus tokens issued under a distribution program. The two components should be separated to understand where the return really comes from.
Incentives and organic yield
Trading fees depend on use of the pool; interest depends on borrowing demand. Incentive tokens, by contrast, may come from new issuance, a treasury, or a time-limited program. If more capital competes for the same amount of rewards, the return per depositor falls. The price of the reward token can also change quickly.
A protocol may use incentives to distribute governance and bootstrap liquidity. However, high value deposited during a campaign does not show that liquidity will remain after the rewards end: opportunistic capital can move elsewhere. Nominal APR, program duration, and the issuance schedule must therefore be read together.
Risks to separate
Someone who provides a token pair may experience impermanent loss. Someone who deposits in a lending market instead faces risks involving collateral, liquidations, and protocol insolvency. In both cases, smart-contract, governance, oracle, bridge, depeg, and exit-cost risks remain.
A very high APY may mainly reflect a heavily inflationary token. Selling the rewards immediately, holding them, or reinvesting them creates different exposures. Automatic compounding adds transactions and often another contract. Before taking part, check which assets are locked, who funds the reward, how long it lasts, which administrative powers remain, and whether the capital can be withdrawn without unexpected conditions.
Sources
- Compound Docs — COMP distribution speeds — Documents per-block COMP distribution to suppliers and borrowers in individual markets.
- BIS Working Papers No 1066 — Examines incentives, yield aggregators, and economic risks in the DeFi ecosystem.
Related entries
Liquidity pool · Yield farming · Impermanent loss · Token unlock