In cryptocurrency, there will always be many different kinds of them. Everyone is allowed to the process of creating new coins and tokens, so new types of cryptocurrency will always be created and a significant part of them will then leave the market due to their uselessness and lack of demand. However, this is a normal process, because it is in this way that the cryptocurrency can be developed and improved further.
On the other hand, the scope of cryptocurrency is very diverse. Therefore, their functionality will also be different.