Walk into any crypto forum and you'll find someone bragging about an APY they're earning that would make a hedge fund weep. 67%. 240%. 1,400%. The number is on a screen so it must be real, right?

It's complicated. Here's the honest version of what yield farming actually pays you.

What yield farming is

In short: lending or providing liquidity to a DeFi protocol in exchange for a token reward. The protocol prints new tokens and gives them to you for participating. The headline yield is denominated in those tokens.

For example, a protocol might pay you 100 of its native token per day for every $10,000 you deposit. If the token is worth $1, that's $100/day — roughly 365% annualized. The headline says "365% APY" because that's what's true on day one.

What goes wrong with the headline

Three things, usually in sequence.

The reward token loses value. As more rewards are issued and more farmers sell into the open market to lock in profit, the token's price drops. Six months in, that same 100-token daily reward might be worth $40 instead of $100. The "APY" calculation that assumed constant token price was always fiction.

Impermanent loss on the underlying position. Many high-yield farms require providing liquidity to a pool — meaning you're already exposed to the impermanent loss problem that LPs face when prices move. The yield can offset the loss, or it can be wiped out by it.

Gas, slippage, and exit costs. Compounding the rewards (selling them, swapping back into the principal asset, redepositing) costs money. On Ethereum mainnet during busy periods, the gas alone can eat 5-15% of your yield. Smaller positions get destroyed by this.

By the time you actually withdraw, the realized return is almost always a fraction of the headline.

What the realistic numbers look like

Across the major lending and liquidity-provision protocols (Aave, Compound, Curve), the realistic stablecoin-pair yields are currently:

  • 4-7% on USDC/USDT pairs (low risk, dollar-denominated)
  • 8-15% on stablecoin-volatile pairs (higher risk, exposure to impermanent loss)
  • 15-30% on incentivized newer pools (real but vulnerable to reward token decay)

Anything advertised above 50% is either an early-stage protocol (token rewards inflated to attract liquidity) or a structurally unstable yield (depends on continued price action that may not continue).

What you're really being paid for

Yield farming compensates you for taking specific risks. Understanding which risk pays which yield is the entire skill:

Smart contract risk. The code might have a bug. Audited protocols are safer but not safe. Yields above the risk-free rate (treasuries, ~4%) partly reflect this premium.

Liquidity provision risk. Impermanent loss is real and depends on price volatility of the underlying assets.

Token issuance risk. If yields are paid in a token that's being aggressively inflated, you're getting paid in a depreciating asset.

Counterparty / custody risk. Some yield products route through opaque structures. Read what you're signing up for.

Where to actually start if you're curious

If you want to try, the lowest-stress entry is supply-side lending on a major protocol. Aave or Compound, USDC or USDT, on Ethereum mainnet or a Layer 2. The yields are modest (4-7%) but the mechanism is simple: you lend, borrowers pay interest, you get a share. No impermanent loss. No token-decay games.

Once you're comfortable with that, stablecoin liquidity provision on Curve is the next step up. Slightly more yield, slightly more complexity, very limited impermanent loss between two pegged assets.

Beyond that, you're entering territory where the marketing is louder than the math is honest.

Takeaway

Yield farming pays real returns, but rarely the ones advertised. The realistic upside on a careful strategy is 5-15% on stablecoin positions and 10-25% on more exposed positions. Anything higher is either a bet on a token continuing to perform or compensation for a risk that hasn't materialized yet.

Crypto returns above the risk-free rate are payment for taking risks. Understanding which risk you're being paid for is the difference between earning yield and learning a lesson.