There are a huge number of other ways of advertising
Some craftsmen even managed to put CP onto the Bitcoin Blockchain.
(and that's why we do need DAG asap).
It doesn't involve all these blocks and mining, that's why it processes transactions faster. A perfect thing for an exchange.
Let me put that straight: decentralization is overrated. LATOKEN do understand that, that's why they use a centralization in terms of trustee approval, for instance.