Да читай, кто же тебе запрещает тешить себя беспочвенными мечтами  

We have put a plan in place to see that 51% of all hashing power, will not be
maintained by Ghash.IO by executing the following actions:

• We will temporarily stop accepting new independent mining facilities to
the Ghash.IO pool.

• We will implement a feature, allowing CEX.IO users to mine bitcoins from
other pools. So when they purchase GH/s they can put it towards any pool
they choose