Yes, well they try to. It comes up and tells you you have an insufficient amount (which I did until I moved my ETH assets there) and tells you how much you need to complete the transaction. If you have none no worries. The display looks different so if you get it you'll know. If you get it just reject it until you get the right display with the right gas fees.
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That is good to know. But even if they charge me, its not like they will get any ETH since I don't like gas fees.
Posted Using LeoFinance Beta
That is what happened with the BSC when it tried to charge me 5 on a transaction.
That is a reason not to keep anything more in those native currencies over than your gas fee.
Posted Using LeoFinance Beta