Quantum key distribution provides secure keys with information-theoretic security ensured
by the principle of quantum mechanics. The continuous-variable version of quantum key …

Quantum key distribution (QKD) is a widely recognized application of quantum information
theory, guaranteeing information-theoretically secure key exchange. However, commercial …

Continuous variable quantum key distribution with discrete modulation has the potential to
provide information-theoretic security using widely available optical elements and existing …

Quantum key distribution (QKD) is a prominent application in the field of quantum
cryptography, providing information-theoretic security for secret key exchange. The …

Secure multiparty computation enables the joint evaluation of multivariate functions across
distributed users while ensuring the privacy of their local inputs. This field has become …

We present a security proof for variable-length QKD in the Renner framework against IID
collective attacks. Our proof can be lifted to coherent attacks using the postselection …

Integrating quantum key distribution (QKD) and classical optical communication for large-
scale applications presents a significant challenge due to high cost and complexity. In this …

The conventional point-to-point setting of a Quantum Key Distribution (QKD) protocol
typically considers two directly connected remote parties that aim to establish secret keys …

Establishing secure data communication necessitates secure key exchange over a public
channel. Quantum key distribution (QKD), which leverages the principles of quantum …

In recent years, discrete-modulated continuous-variable quantum key distribution (DM-CV-
QKD) has gained traction due to its practical advantages: cost-effectiveness, simple state …