Is there a place to invest Bitcoins were they make interest?

It is easy to invest dollars where they make interest greater than the inflation rate. Isn't it really Bitcoin that is dripping away value. I am pretty sure prices will always go up but I am not sure Bitcoin will always go up. My investments go up faster than prices. I am sure sometimes Bitcoin will go down or not go up as fast in prices. If one Bitcoin is always one Bitcoin, might it someday not buy as many oranges as it used to?

TEK