Virtual currency buy up buy down

1. bitcoin futures trading started at the end of 2017 can be short. There is no way to short in the traditional bitcoin market. The listing of futures is the killer of such speculative financial extension procts as bitcoin. Because before it was up to make money, now it is down.

2. You'll pay for all the handling charges. Because it goes up and down, your two accounts are basically flat, but you have to pay a certain handling fee for each transaction, so the final result must be that you lose the handling fee for the two transactions.

3. Is this platform true or false