There are cryptocurrencies whose projects are basically startups, because they have platforms for blockchain services and applications.
Take a look in the top coins on the coinmarketcap site and look for projects with more potential to grow.
there are many crypto. So be carefull to invest you money
altcoins is easy to a scam and dump. that's right, we need to look for a great project in the future.
You are righ there is a risk in investing our money in altcoins but still we can earn from altcoins a good profit if we start shortest term trade with then like buy and sell within minutes or hours so that we do not see a bigger dump if days are passed over the trade.