It's doomed because centralised cryptocurrencies don't work. they CAN'T work. They are built on a framework which isn't designed for them.

Check this out: https://mentormarket.io/cryptocurrencies/bit-brain/private-blockchains/

and this follow-up:

https://steemit.com/bitcoin/@bitbrain/wellthatdidnttakeverylong-00c5h4w25e