There are significant differences between Bitcoin and other crypto-currencies, despite the apparent similarity. The first digital asset was able and is able to outperform its smaller brothers in the struggle for superiority.
Bitcoin uniqueness and having a higher price to others coin is because this coin is have limited supply and higher demand. Also it is first created and it is the only coin that survive for how many years. Then beside of being very profitable it also a great coin too and all cryptocurrency are depend to the Bitcoin price. Everytime Bitcoin goes high the other coins is also goes high same as when it goes down.