probably not a good idea for your government to know their each citizen what kind of websites uses. However there are similar idea currently in some crypto proj

probably not a good idea for your government to know their each citizen what kind of websites uses. However there are similar idea currently in some crypto projects that trying to solve it to make it distributed, so that if you e.g. like gambling the government won't know about it but website that provide gambling services can still check that you are from non banned countries and adult without any more detailed KYC