Many people use bitcoin as a currency but there are also as a means of sending money because it is cheap cost
In this case you usually use bitcoin for what?
no doubt that millions of persons are in the Bitcoin because of the ease of handle the transaction from person to person .
But there are many things in the Bitcoins that are really useful for everyone , for example we can use Bitcoin as the gold acid for the more profit then what we can got from the original gold stuff .
And also for the altcoins trading we need only Bitcoin because most of the altcoin depends upon the Bitcoin and the Bitcoin price .
When we need to use the Bitcoins for other other purpose , which are regardless of the factors that what the charge we need in the Bitcoin transaction for fast confirmation .