Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …

Cryptography promises four information security objectives, namely, confidentiality, integrity,
authenticity and non-repudiation, to support trillions of transactions annually in the digital …

E-commerce, a type of trading that occurs at a high frequency on the internet, requires
guaranteeing the integrity, authentication, and nonrepudiation of messages through long …

Quantum communication networks are crucial for both secure communication and
cryptographic networked tasks. Building quantum communication networks in a scalable …

Quantum blockchain is expected to offer an alternative to classical blockchain to resist
malicious attacks laughed by future quantum computers. Although a few quantum …

Practical quantum networking architectures are crucial for scaling the connection of quantum
resources. Yet quantum network testbeds have thus far underutilized the full capabilities of …

The Greenberger-Horne-Zeilinger (GHZ) entanglement, originally introduced to uncover the
extreme violation of local realism against quantum mechanics, is an important resource for …

Quantum digital signatures (QDSs), generating correlated bit strings among three remote
parties for signatures through quantum law, can guarantee nonrepudiation, authenticity, and …

A quantum key distribution system based on the subcarrier wave modulation method has
been demonstrated which employs the BB84 protocol with a strong reference to generate …