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Fees

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Swap fees

BlankFX charges a spread on each swap. The spread is the difference between the oracle mid-rate and the rate you receive. The fee is shown in the interface on the quote step, before you confirm. Spreads are set by protocol parameters and may vary by pair and market conditions.

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Where fees go

100% of swap fees flow to liquidity providers. When you deposit into a pool, you earn your proportional share of all fees generated by swaps touching that pool. The USD Pool earns fees from:
  • All USD-to-USD swaps (USDC ↔ USDT ↔ RLUSD)
  • The USD side of all cross-currency swaps (USDC → EURC, EURC → USDT, etc.)
This means USD Pool depositors earn from every trade on the protocol, regardless of currency pair.

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Gas fees

If you use gasless mode (default), you don’t pay gas directly. The gas cost is included in the swap spread — you see one rate that covers everything. If you submit transactions directly (advanced), you pay standard Ethereum gas fees.

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Gasless relay fee

When using the gasless relay via Permit2 + BlankFXRelayRouter, there is no additional relay fee charged on top of the swap spread. The gas cost is absorbed into the standard spread.

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Deposit and withdrawal fees

There are no fees for depositing into or withdrawing from liquidity pools. You pay only the standard Ethereum gas cost for the transaction.

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No hidden fees

There are no platform fees, no withdrawal penalties, and no performance fees on yield earned. The spread on swaps is the only cost.