But that would be “quantum encryption” — meaning encryption that would theoretically be able to stand up to a quantum system. Post-quantum means after quantum. That would mean that this would protect cryptography from whatever comes along to replace quantum, presumably many, many years — if not decades-from now.
Post means after. (Or it means a breakfast cereal company or a daily newspaper, but I digress.) Pay attention, people.
Karen Andersen, a technical architect at IT consulting firm World Wide Technology, argues that the worlds of consulting, analysts, and vendors would implode if they were all forced to use English words and phrases properly. (She was specifically referencing tech debt.)