How does the fee work on Fast Rainbow Bridge?

In the Fast Rainbow Bridge, the cost of the transfer is covered by the relayer, relieving the user from paying the gas fees on the Ethereum side. The relayer takes care of the gas expenses and ensures that the transaction is executed promptly to mitigate any potential gas price fluctuations.

The fee for utilizing the Fast Rainbow Bridge is calculated dynamically and paid in the same tokens that are transferred. The currentfee is equal to ~$20 base fee plus 0.1% of the transferred amount.