> Gold hasn't been used as a coin in years, but is still valuable, thus demonstrating that it has intrinsic value.

So at what number of years does a store-of-value transition from "no intrinsic value" to "intrinsic value"?

> it's entire value lies in being a medium of exchange

So why is that somehow "extrinsic" value and not "intrinsic" value?

As near as I can tell, all currencies fit this description, and bitcoin is just yet-another-currency (And isn't that just what it's supposed to be?)