Bitcoin derives its value, not because of what it is necessarily but rather what it is not.  The first thing that it is not,  Bitcoin is not an  instrument of debt.  Think of the Federal Reserve Note, I work and get paid with a dollar,  that dollar represents the value of my labor, but it comes with a hidden tax.  I owe, for the privilege of being paid for my work interest on the note to a private bank, that is not my employer and yet makes a claim on my wages.  How did this private bank ever earn a portion of my wages?  What is even worse this very same private bank can with the push of a button destroy the value of my wages by creating more debt instruments.  Worse, they have the power to literally give the dollars away to their friends and family who do not work for it.  Nice gig!  Secondly Bitcoin is not secretive, you either have it or you do not, period end the story.  Not the same with fiat currencies,  banks and businesses lie all the time and get away with it.
Not with Bitcoin, or any other crypto.  For instance, I could claim to have 2000 STEEM right now and will gladly pay all of it to you if you just deliver to me 3 ounces of gold.  Now that is a bargain, go ahead and send it to me.  But wait, you could go to my wallet and see exactly how much or how little I have.  Oops! Caught me.   Bitcoin is not a currency with unlimited supply.  Bitcoin is not a currency created by individuals seeking to throw us into debt.  Bitcoin is a far more honest medium of exchange that is easily transferable anywhere in the world.