Standard fee
0.25% of the trade
Paying with $ESCROW
0.1875% (25% discount)
How it's split
Divided between the two sides of the trade
Withdrawals
Real network cost, not a percentage (see Withdrawing crypto)
The trade's fee gets split between buyer and seller - it's not paid by only one side, nor charged twice. If you enable paying fees with $ESCROW, you get a 25% discount (0.1875%).
For the discount you need to have an $ESCROW balance and the option enabled on your account. See What is $ESCROW.