Why do we need so many privacy coins monero, zcash , zcoin etc? Why do we need country coins like aurora solely for use in one country. Dogecoin and rare Pepes What I want to know is simply what type of coin serve a real need in this world like bitcoin? Will it be Utility coin like factom, social media coin like synereo, platform coin like ethereum, privacy coins like zcash? Gaming coins like 1st blood or none of them provide enough of a benefit to be a success in the long run due to clones completely saturating the market or blockchain technology itself being overly hyped. What is the ideal use case of blockchain tech and do any of the existing coins provide it?