As i have posted numerous times, although we believe that mining is an integral part of the system, i myself am not into mining (although i have educated myself over the past two months i still dont understand some parts of mining) and i can assure you that none of the investors is into mining as this is just not the point we are focusing on.
Perhaps you have some idea what this central node is and you haven't explained it. But as it is now:
1. Miners provide network security in the absence of a central node.
2. You have a central node.
Therefore, you have no need for miners.
If you have the miners performing bitcoin-like hashing, they will simply be wasting electricty for nothing. Call them affiliate nodes or something else, because they are not miners.
Note that the system also charges fees to pay for this wasted electricity.