Encryption, Hashing, PPK, and Blockchain: A Simple Introduction
Blockchain, SSL certificates, HTTPS, cryptocurrencies, public/private key pairs, VPNs, and many other important technologies are all applications of two basic ideas from cryptography: encryption and hash functions. Although they are mathematically related, they are intended to do very different things. Encryption: An encrypted file might be publicly available, but without a keyof some sort, the […]
