Playing devils&#x27;s advocate, when have people, in all history, carrying large amounts of cash not been strapped?<p>When I was in Nicaragua for awhile it was kind of known you don&#x27;t fuck with the cash dealers. From my experience, especially in these lower-income countries where these services are targeted, you&#x27;re either getting protection or you&#x27;re providing it; if neither, you&#x27;ll quickly find yourself needing one of the former.<p>I&#x27;m not sure how this would change with a Silicon Valley style startup, but given Uber drivers don&#x27;t know each other or have any &quot;loyalties&quot; for lack of a better word, I&#x27;m inclined to think you&#x27;d be right. However, I can quickly seeing this leading to the &quot;dealers&quot; on this system organizing into a group for self protection. Or a gang, cartel, militia, party, or advocate group, whatever you want to call it. Dudes you don&#x27;t want to fuck with. And that doesn&#x27;t sound conducive to a banking revolution, although maybe in the sense that payments are a social system at their core could make this feasible.