Every person has his own opinion and his own reasons to consider what he thinks. Of course Bitcoin is a good coin in every way and based on revolutionary blockchain technology, but it is not perfect. Therefore, to date, a lot of coins have been created that exceed Bitcoin in terms of their technical characteristics and they are more practical. These coins have their communities, whose members believe in their coins and develop them, they refer to Bitcoin negatively, because the whole market is tied to the price of Bitcoin and other coins are difficult to grow during the fall of Bitcoin.