Article begins Nyekuol, a young South Sudanese man living in the war-devastated Upper Nile region of South Sudan, spent years trying to find ways to send money to family members who had been displaced by the fighting that had begun in 2013. This was a risky endeavor. In one attempt to send money, he had sent cash on a civilian bus, a standard means due to the lack of banks and wire services in the region (and in the country as a whole). But on the way, the bus was ambushed by armed men. Two of the fleeing passengers were shot dead and the assailants took all of the luggage and money on board, including Nyekuol’s cash, before setting the bus itself on fire.  Not long after, Nyekuol discovered that a money transfer service company called Link was operating a branch (which they called a “Unity Point”) in Bentiu. They offered small fees to send money to places that were otherwise impossible to send money to, including just outside the Malakal displacement camp, where some of his family was living.…