For me Bitcoin is best in every time, and also in all of other coins, I came in that place, i mean in signature campaign and than i joined Altcoin trading, because of bitcoin, So why i left it, Bitcoin give me a lot of new ways, which i didn't know before it, and one important thing is that bitcoin is more popular and trustable crypto currency than others.
Without a doubt, I totally agree with you. Bitcoin is the best coin among those altcoins that we have from now. Without bitcoin there is no altcoins because most of the altcoins only copy what is bitcoin and most of its features. Bitcoin is one of the most profitable coin because of its stability and its price is very volatile also.