The article failed to give any real detail about what is being proposed. I suspect it would have to be something like Taler[1] where the buyer is anonymous but

The article failed to give any real detail about what is being proposed. I suspect it would have to be something like Taler[1] where the buyer is anonymous but the seller is not. That allows the collection of sales taxes and allows the government some control over the currency. [1] https://taler.net/en/index.html https://taler.net/en/index.html