It's got a pretty short, volatile history to be deciding that.
Seriously! A digital key is NOT easier to secure than a physical one. If anything, it's harder.
Gold only becomes hard to store if we're talking about huge quantities
no reason it stores value outside of the fact that we all agree that it does, and we all accept it for curreny. Bitcoin is at that point. It's turning into digital gold.
I agree with the original commenter. Looking at Bitcoin as a currency with terrible UX kept me from investing for the past years. Now it's going past inflection point - it's a store of value that will be acceptable everywhere soon.
Actually more than 10^6: http://bitcoin.zorinaq.com/price/