“…[ 166 ] Australia‐based QuintessenceLabs also has commercially available quantum‐enhanced cyber‐secured devices, [ 167 ] while the Canadian company Quantropi, Inc. (founded in 2018) has also entered the QKD security space. [ 168 ] SK Telecom, a Korean company, uses ion trap quantum repeaters for QKD technologies. [ 169 ] Japan‐based Toshiba Corporation represents another high‐profile entrant into the QKD market, [ 170 ] demonstrating the fabrication of a QKD device on a semiconductor chip, which represents a significant step toward scalable production.…”