India is the most populous country in the world, the second-largest economy in Asia after China, and the nation that guided a spacecraft to the lunar South Pole on a budget smaller than a Hollywood blockbuster. It built a payment infrastructure so seamless that a fruit vendor in Varanasi and a startup founder in Bengaluru share the same digital wallet. It is, by almost every measure, a country that has learned to live at the speed of data. Illustration by The Geostrata And it

An epochal building block of a nation’s foundation is its sovereignty. Free from external influence, countries have the authority to...