Maybe you don't know, for sure governments of Europe and North America don't advertise this, but it's used more and more in various countries. For example here

Maybe you don't know, for sure governments of Europe and North America don't advertise this, but it's used more and more in various countries. For example here in Costa Rica, the most popular country after Mexico for North Americans. People using a smartphone app leveraging the lightning network, check that video https://www.youtube.com/watch?v=BrEDaFEW6yI https://www.youtube.com/watch?v=BrEDaFEW6yI