"It has value as long as somebody else agrees to buy it." You just described every fiat currency in existence. When it comes to what is most easy to transport, precious metals or bits and bytes, I think everybody knows the answer. By the way, if you send enough data through any heat-conducting metal, you could not only light a cigar but cook an entire four-course dinner on it.
The anarcho-capitalist lands of kool-aid and Informed consent