Cryptography and the Quantum Problem
Header image by gabrielzschmitz, licensed under Creative Commons 4.0 Attribution license. Cryptography is the cornerstone of modern digital security. From encrypted messaging to blockchain and secure web browsing, the invisible machinery of math keeps our data safe. But with the rise of quantum computing, the very foundation of today’s encryption methods faces a serious threat. Let’s explore what cryptography is, how it works, and why quantum computers could break it — unless we prepare now. ...