E91 Protocol
The E91 Protocol is a Quantum Key Distribution (QKD) method proposed by physicist Artur Ekert in 1991. It was a significant development in quantum cryptography because it uses quantum entanglement….
Tag: quantum cryptography
BB84 Protocol
The BB84 Protocol, proposed by Charles Bennett and Gilles Brassard in 1984, is the first and most widely known Quantum Key Distribution (QKD) method. It allows two parties—commonly called Alice….
Quantum Key Distribution (QKD)
Quantum Key Distribution (QKD) is a method of securely sharing secret keys between two parties using the principles of quantum mechanics. It allows two people—commonly called Alice and Bob—to communicate….
Simon’s Algorithm
Simon’s Algorithm is a quantum algorithm that solves a very specific type of problem exponentially faster than any classical algorithm can. It was proposed by Daniel Simon in 1994 and….
Shor’s Factoring Algorithm
1. The Big Problem It Solves At the heart of modern digital security (like online banking) is a method called RSA encryption. It relies on a simple idea: This “factoring….
Quantum Information Theory
1. What Is Information Theory? Before diving into the quantum part, let’s first understand the classical version. Information Theory, developed by Claude Shannon, is all about: In short, it answers:….
Cybersecurity in Government & Military
Governments and military institutions store and manage vast amounts of sensitive data, including classified intelligence, defense strategies, and citizen records. Cyberattacks targeting these entities can have devastating consequences, such as….
Quantum Computing and Cryptography
Quantum computing is transforming the field of cryptography by introducing both threats and opportunities. While quantum computers promise unparalleled computational power, they also pose a major risk to traditional encryption….
The race for quantum internet: Who will lead?
The world is on the verge of a new era of internet technology—one that is ultra-secure, ultra-fast, and powered by quantum mechanics. The quantum internet will enable unbreakable encryption, instantaneous….
Quantum supremacy: What it means for technology
For decades, classical computers have dominated computing, solving problems ranging from data processing to artificial intelligence. However, with the rise of quantum computing, a new milestone has emerged: quantum supremacy…..