It does, but "centralized cryptocurrencies" are still useful in that their similar technology makes interoperability with "proper" cryptocurrencies easier. It'

It does, but "centralized cryptocurrencies" are still useful in that their similar technology makes interoperability with "proper" cryptocurrencies easier. It's money with a standard API. Whether the actual "value" part of it is centrally controlled or not, many tools made for one will work with the other.