You can borrow btc then use that btc to take 5x leveraged positions on btc.
If number go up, you make billions. If number go down 20% you default on loan. Absolute scumbag behaviour of course.
If number go up, you make billions. If number go down 20% you default on loan. Absolute scumbag behaviour of course.
What's that thing about if you owe the bank 10k you're in trouble, but if you owe them 10m they're in trouble? :)