Here's a 10,000 foot view that I picked up from Vijay Boyaparti on the WiM podcast:

Mises was just describing money as something that had evolved, using the Regression Theorem. It was Rothbard that actually said that it was the only way, at least according to Vijay.

That all said, bitcoin has been used as a medium of exchange and is continuing to evolve as it gains adoption. When we're all flying around in our Millennium Falcons, we're not going to be handing shiny rocks to each other as a form of payment, so I wouldn't fret what the Rothbardians have to say on the matter.