As long as people have been having conversations, they have been having secret conversations. The history of cryptography is the story of keeping these secrets secret, and it’s an ancient tale common to nearly all peoples. The future of cryptography is bigger than mere secrets, however. The future of cryptography is about securing the electronic infrastructure of our modern world, including the blockchain technology that is being developed.
https://www.ethnews.com/cryptography-ujgyjlnyksezmygbmivhqjp2ta