I don't think so. You see if you move away from mining you need the agreement of the users not the miners, who by design will become surplus to requirements. If

I don't think so. You see if you move away from mining you need the agreement of the users not the miners, who by design will become surplus to requirements. If a method of securing the Blockchain without miner is found you could be pretty certain most people would back that option if it promoted further decentralisation.