So it is the Altcoin coins alternatives outside of the bitcoin. If never heard names like Ethereum, Dash, Ripple, Monero, Litecoin, and so on, they are Altcoin.
Amongst all the altcoins which are there in this world, ETH is the best possible coin to make an investment and that this is also the most demanding altcoin as well the altcoin with highest market value. Other than that, it is also the second most popular coin amongst all the crypto coins which are there in this world and that it is better to choose it for the sake of investing money when you want to invest in altcoins.