Even then, is your participation in that system regulated? Do you need a smartphone with government issued id as a requirement? And internet usage and access? W

Even then, is your participation in that system regulated? Do you need a smartphone with government issued id as a requirement? And internet usage and access? With cash you just need the person to hand you the currency paper. Will there be physical representarion of the anonymous digital currency that can be used by anyone that posseses them without authentication?