To understand use cases for central bank digital currencies, just look at how #blockchain changed the way money was transferred by Filipino people working abroad, Sophia Lopez, founder and president of @Kaleido, tells Aerial View at #Sibos. She says a network was put in place that allowed workers to save enough money on remittances to buy a week or two of food back home. Lopez sees digital currencies removing frictions that exist today, and perhaps even becoming. Lopez adds.