This is quite possible and scary. Right now it is impossible to decrypt private keys, however it could be possible going forward that private keys could easily be decrypted by quantum computers - even instantly. Thus is the nature of quantum mechanics... nothing really makes much sense.
My mind is already messed

but quantum theory ( and quantum computing just add an extra layer to it ) but that guy kind of synthesizes my thoughts ...
Computing Limit - Computerphile
https://www.youtube.com/watch?v=jv2H9fp9dT8