This requires permanent identities, right? So compared to cash payments, this system is potentially more oppressive because you can be rendered unable to pay fo

This requires permanent identities, right? So compared to cash payments, this system is potentially more oppressive because you can be rendered unable to pay for things. I imagine there are some sticky legal questions to solve there - usually this kind of intervention in a person's life would require a court order or similar. How traceable are transactions to the payer? Is there any anonymity?