I think 2021, is the year of the rise of altcoins, so, it is very suitable to invest in it, because many altcoins have the potential to make a profit, but investing in the cryptocurrency are very risky, therefore we must choose coins that can really contribute for our investment, for the example, such as ETH, ADA, polkadot, DOGE, XRP, this alcoin already has a rating in CMC, just waiting for the right time to buy these altcoins,