
Cryptography: A Brief History from Symmetry to Bitcoin
Date:
Introduction to Cryptography There’s nothing you can know that isn’t known. Nothing you can see that isn’t shown. All you need is…PUBLIC KEY CRYPTOGRAPHY!!! – with apologies to Lennon-McCartney Without public key cryptography, cryptocurrency fails. Public key cryptography proves ownership and enforces privacy. It arrived relatively recently, though, appearing on the scene in the mid-1970’s...







