Most of the Altcoins I know in Cryptocurrency are scams. But there are many projects that are very good and the least likely to be a scam. Scams are especially rare on Ethereum platforms. If you are interested in investing in altcoins then it is better to look for good coins to invest. But the current situation is that investing in Bitcoin is definitely more profitable than investing in crypto. As the market is currently in a very bad state, it is better to invest in Bitcoin at this time.