What Hides Beneath SMS Authentication?
We have to pay for everything in life. Whatever you may call it — the law of conservation of energy, karma, or Divine Providence — that is how it is and how it will always be. In the 19th century, a postal courier loyal to his sovereign would risk his life delivering a letter to the addressee, which took up to a month, protecting it from any possible foes. In the 21st century, data exchange is carried out instantly, but it is a lot...