For altcoin, recently I read an information that stated the potential altcoin i.e ADA and XLM. Both of altcoin's developer keep trying to give a new development for its coin, such as ADA's developer has been successful because it has released Shelley. In other hand, Stellar STOs are increasing and so as it is not impossible the price coin will up sooner if sentiment market change.
Of course, many users of cryptocurrency focus on increasing the capitalization of certain projects and thus select the best projects for investment. But but if it does not look at the rating but not in this way, then you can find quite good projects that have shown good results for a long time. For example, you can still call wi-fiWorld and populous.