Lol never estimate newbies account.
You dont know who is the person behind that,
You dont understand behind black market,
For example,  you are the big company,  and you need a lot of bitcoin,  do u think you can buy bitcoin in binance?
Yes you can buy a little,  but if u need a thousands of bitcoin,  do u think binance exchange will produce that bitcoin for u?  Dahhhh..  😂😂😂 make sence,