The new God.coin that's being launched is actually designed to eliminate that exact instability and decentralize the value away from rapidly-adapting corporate entities capable of mining far more than what is ethical. It is backed by actual worth, namely gold and silver. Bitcoin laid the social groundwork, but a better beast will soon carry the burden far more efficiently.
Here's a sort of intro if you want:
https://steemit.com/ico/@prime-cleric/god-coin-ico-coming-shortly