And then there are centrally issued and controlled coins on private, permissioned ledgers a.k.a. databases. But most cryptobros never cared about the technology nor the political goal, so anything can be called a cryptocurrency as long as it's a medium for gambling and speculation outside the regulated financial framework.
Now the traditional banking system is basically rebuilt in crypto. The banks are busy the exchanges. The EU even talk about making it illegal to store money in your own wallet.
This is what happens when people don't think things thru.