The rise of surveillance society cannot be so narrowly attributed to a nation state. There are many stakeholders with much to gain from the mass collection of data, the advertising industry chief among them.
If cash stops being an option, it won't be because anyone had been forced to stop using cash, but because the unthinking masses uncritically accepted the convenience of centralized digital currencies and digital payment methods.
I think there is a threshold number, say somewhere between 55-65%, wherein once that percentage of the overall population has accepted some fraud, it then becomes 'reality' because it has achieved enough inertia to become unquestionable doctrine. It then becomes propelled under its own weight without social engineers needing to run their narrative networks. For example, the surgeons masks and pharmaceutical products of the last four years.