Bayesian statistics EPR pairs History of engineering & technology QKD Technology: general issues algorithm amplification clock synchronization conclusive exclusion continuous variable (CV)-QKD continuous-variable quantum key distribution detection probability discrete phase randomization discrete variable (DV)-QKD distillation entanglement geometrical optics restricted eavesdropping information disturbance theorem injection attacks intrinsic bit error rate jamming attacks mean multi-kings' problem mean-king's problem measurement device independent measurement-device-independent oblivious transfer phase-matching physical layer security pilot randomization post-quantum cryptography