A new method to distribute cryptographic keys using terahertz waves could help enable secure communication in the ...

The German consortium QuINSiDa has achieved a major step toward mobile quantum-secure communication. They demonstrated a ...

To keep communications secure in a post-quantum world, cryptographers are digging down into the concept of cause and effect.

Scientists have taken a major step toward ultra-secure quantum communication by demonstrating a remarkably stable quantum encryption system that worked across more than 120 kilometers of optical fiber ...

The theoretical threat that quantum computers pose to the Bitcoin network moved a step closer to reality on Friday. Project Eleven, a startup focused on quantum security, awarded its "Q-Day Prize" to ...

The Bitcoin community continues to debate whether cryptographically relevant quantum computers are imminent or decades away. Project Eleven, a quantum security research company, awarded a prize to ...

Some quantum cryptographers want to find ways to keep messages secret even if the rules of quantum mechanics don’t hold. The recently rediscovered idea of quantum jamming complicates things. For the ...

Shares of IonQ surged 20% on April 14 to $35.76 after the quantum computing company landed a U.S. defense research contract, putting the sector that has struggled for a while in the spotlight again.

Quantum key distribution (QKD) has been positioned as a physics-based method of securing encryption keys that cannot be intercepted without detection and as a critical technology for ensuring ...

Quantum computers capable of breaking the Bitcoin blockchain do not exist today. Developers, however, are already considering a wave of upgrades to build defenses against the potential threat, and ...

On March 25, Google released a blog post titled “Quantum frontiers may be closer than they appear.” Here’s how it begins: “Google’s introducing a 2029 timeline to secure the quantum era with ...