&gt; the guys with guns can seize the land next regime change.<p>Sure, violence trumps everything.  But if civilization is sufficiently intact that the concept of &quot;settlement of a financial transaction&quot; is a meaningful concept, the crypto + a trusted third party can provide it.  (Actually, the third party doesn&#x27;t even have to be trusted, just agreed upon by all parties.)<p>&gt; bearer bond type instruments<p>No, people with guns can steal those too.  Violence trumps everything.