Maybe it's not about transaction scale. And I don't really see how blockchain helps with scale, imho it's opposite. With this particular case, it maybe be solu

Maybe it's not about transaction scale. And I don't really see how blockchain helps with scale, imho it's opposite. With this particular case, it maybe be solution to fight corruption (just a guess). Centralized trusted control of all phone number of a country is a huge power and a magnet for different types of corruption. So maybe the difference is that in your country the magnitude of corruption is lower than in India, or easier to handle because of size.