There's a lot of projects went successfully and has been listed on coinmarketcap, you're free to choose which of them that you think promising. But first of all, we need to check and scrutinize everything before deciding to buy. Some of listed projects also didn't get good rank, better do confirmation until such time you come up with proper analysis. Telegram group of each crypto community will provide us a reliable source of information in order to formulate the best choice of asset.