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A comment on Launch HN: Nala (YC W19) – Internet-Free Mobile Payments App for Africa. Parent comment

Re:Launch HN: Nala (YC W19) – Internet-Free Mobile Payments ... by benjaminf on Thursday March 14, 2019 @06:24PM (#19394462)
hi! You are right! The cellular protocol we use is called USSD. https://en.wikipedia.org/wiki/Unstructured_Supplementary_Ser...
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