A quantum computing future is unlikely – here’s why
https://techcentral.co.za/a-quantum-computing-future-is-unlikely-heres-why/94562/
by Subhash Kak, Regents professor of electrical & computer engineering, Oklahoma State University
'While quantum cryptography holds some promise if the problems of quantum transmission can be solved, I doubt the same holds true for generalised quantum computing. Error-correction, which is fundamental to a multipurpose computer, is such a significant challenge in quantum computers that I don’t believe they’ll ever be built at a commercial scale.'