> First, do we even have high confidence that QC is the thing that will break current algorithms? Yes? I mean nothing is certain, but it is the most viable kn

> First, do we even have high confidence that QC is the thing that will break current algorithms? Yes? I mean nothing is certain, but it is the most viable known threat by a wide margin. > Secondly, how much time from “the writing is on the wall” until bad actors can deploy them for financial gain? Unless it’s short, why not wait and migrate later? Nobody knows, but its difficult to coordinate changes, and it is difficult to know which quantum algs actually work. It can take decades to have confidence a new crypto promitive actually works. As far as actually changing things, look how long it took to change out md5. People started warning it was insecure in 1996, it was totally broken in 2005, and in 2012 the flame malware used it to hack computers.