Which Altcoins really solves problems?

[Fidelia]

One of the advices that I got when I just started crypto newly is that I should always invest in altcoins that solve real life problems.

Which Altcoins really solve problems and what are the problems that they solve?

 

[Stardom22]

As much as l have just jumped into the cryptocurrency world and l am still learning about that slowly by slowly. With that being said, l have don't have information about the problems that altcoins could really olve

 

[Kross]

I think litecoin and Solana also solve the problems of payment for goods and services. That is why they are popular.