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Notes on quantum security

Research, explainers and updates on post-quantum cryptography, quantum communication and the BB84 network.

The Hype on Quantum Stocks and the Speculation

Quantum computing has emerged as one of the most talked-about areas in technology investment over the past year, with stock prices of companies in this sector experiencing dramatic swings. The allure of quantum computing lies in its promise to solve complex problems that are currently beyond the capabilities of classical computers, potentially revolutionizing fields like… Continue reading The Hype on Quantum Stocks and the Speculation

Elon Musk’s Vision for Quantum Key Distribution via Starlink Satellites

The advent of quantum communication has the potential to redefine global internet security, particularly in the realm of satellite communications. This article delves into Elon Musk’s ambitious plan to integrate Quantum Key Distribution (QKD) into SpaceX’s Starlink satellite constellation, exploring the theoretical underpinnings, technological challenges, and potential impacts on global cybersecurity. Introduction Quantum Key Distribution… Continue reading Elon Musk’s Vision for Quantum Key Distribution via Starlink Satellites

Stablecoin Bill to Bolster U.S. Cryptocurrency Landscape

On February 4, 2025, David Sacks, acting as the White House’s AI and Crypto Czar under President Donald Trump, laid out a strategic vision for U.S. cryptocurrency policy during a pivotal press conference. Central to his agenda is the advocacy for a stablecoin bill, which he underscored as the primary legislative priority in the burgeoning… Continue reading Stablecoin Bill to Bolster U.S. Cryptocurrency Landscape

January 2025: A Month of Breakthroughs in Physics and Technology

As we step into 2025, January has already been marked by significant developments in the realms of physics and technology, showcasing both the pioneering spirit and the rapid pace at which innovation is unfolding. Here’s a comprehensive look at some of the key events and advancements: Quantum Physics and Particle Discoveries Shape of Electrons: A… Continue reading January 2025: A Month of Breakthroughs in Physics and Technology

Quantum Internet: Unlocking the Future of Secure Communication

In an era where data security and privacy are paramount, the concept of a Quantum Internet stands out as a beacon of hope, promising communication that is theoretically unbreakable. This revolutionary idea leverages one of the most enigmatic phenomena in quantum physics: entanglement. What is Quantum Entanglement? At the heart of the Quantum Internet lies… Continue reading Quantum Internet: Unlocking the Future of Secure Communication

The EPR Experiment: A Quantum Conundrum

In the realm of quantum mechanics, few thought experiments have stirred as much debate and intrigue as the Einstein-Podolsky-Rosen (EPR) experiment. Proposed in 1935 by Albert Einstein, Boris Podolsky, and Nathan Rosen, this thought experiment was designed to challenge the completeness of quantum mechanics, leading to discussions that continue to shape our understanding of quantum… Continue reading The EPR Experiment: A Quantum Conundrum

The Black Hole Information Paradox: A Cosmic Conundrum

The universe is filled with enigmas, but few are as perplexing as the black hole information paradox. This paradox arises from the clash between two of the most robust theories in physics: quantum mechanics and general relativity. Here’s a dive into the heart of this paradox, exploring its origins, the ongoing debate, and the latest… Continue reading The Black Hole Information Paradox: A Cosmic Conundrum

Quantum Breakthrough: First Quantum Teleportation Over Active Fiber Optic Cables

In a groundbreaking development that pushes the boundaries of quantum communication, researchers at Northwestern University have achieved the first quantum teleportation over a fiber optic cable actively carrying normal internet traffic. This experiment marks a significant step toward secure and practical quantum communication. What is Quantum Teleportation? Quantum teleportation is a process where the state… Continue reading Quantum Breakthrough: First Quantum Teleportation Over Active Fiber Optic Cables

How would Quantum Supremacy affect Ethereum?

Quantum supremacy, a milestone signifying that quantum computers can solve problems beyond the reach of classical machines, is poised to revolutionize many industries. Ethereum, a decentralized blockchain platform that relies heavily on cryptographic algorithms for security, is one such technology potentially impacted by quantum advancements. This article explores the implications of quantum supremacy on Ethereum,… Continue reading How would Quantum Supremacy affect Ethereum?

Quantum Leap Forward: A New Method for Creating Quantum Entanglement

In a groundbreaking revelation for the field of quantum physics, researchers have unveiled a novel technique for generating quantum entanglement, the mysterious phenomenon where two or more particles become inextricably linked, sharing a quantum state regardless of the distance between them. This development, which could revolutionize quantum communication networks, promises to enhance the speed, security,… Continue reading Quantum Leap Forward: A New Method for Creating Quantum Entanglement