As long as you open the relevant website you can see the top ten altcoins, 1.etheruem 2. ripple 3.Litecoin4.Dash5.Nem6.Etheruem classic 7.Monero 8.Zcash 9.Decred 10.PIVX is just a personal preference, and I like the Ethereum most, I hold him now, I believe that Ethereum can bring me rich income.