Swaps of imported coins pay a 1% fee on every chain. Half, 0.5%, goes to the coin's creator and half to MemeWarzone. The fee is shown in the quote before you confirm.
While a coin is unclaimed, the creator's half is held for 90 days per trade. If the creator claims the coin in that time, it is paid out. What is still unclaimed after 90 days goes to MemeWarzone.