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 …

Twin-field quantum key distribution can overcome the secret key capacity of repeaterless
quantum key distribution via single-photon interference. However, to compensate for the …

Photonic quantum technologies represent a promising platform for several applications,
ranging from long-distance communications to the simulation of complex phenomena …

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 …

Blockchain is a distributed database which is cryptographically protected against malicious
modifications. While promising for a wide range of applications, current blockchain platforms …

Measurement-device-independent quantum key distribution (MDI-QKD) can eliminate all
detector side channels and it is practical with current technology. Previous implementations …

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

The alternative variant of measurement-device-independent quantum key distribution (MDI
QKD), called asynchronous MDI QKD or mode-pairing MDI QKD, offers similar repeaterlike …