And Binance benefited from you in both cases, nothing!

Binance's idea is as follows:
Let's say Binance is introducing a new feature. The feature is as follows:
An example of this feature = Let's say you have to pay $30 to activate this feature so that you can take a loan from Binance worth $100, for example; to invest in digital currencies and you cannot withdraw this $100 you can use it to invest in digital currencies only Let's say you bought a certain currency with that $100 and the currency went up by 20% meaning you will have $120 in this case you will keep the $20 and $30 that you paid before and Binance will take the $100 that it lent you before and if the currency price goes down by 30% the currency you bought will automatically be converted into a dollar by Binance meaning it will be converted into $70 in this case you lose everything and Binance will keep its $100 ($70 and $30 that you paid before) and you will lose everything I mean the user