1 Correction to: J Supercomput https://doi.org/10.1007/s11227-018-2276-y

The presentation of Equation 7 was incorrect in the original article. The correct equation is given below. The original article has been corrected.

The Quantum Key Utilization Rate (QKUR) can be expressed as follows:

$$ {\text{QKUR}} = \frac{\delta }{\psi } * 100\% $$
(7)