> I agree, but unfortunately I don't believe a society being run by humans would ever implement that This was already implemented for hundreds of years. It is

> I agree, but unfortunately I don't believe a society being run by humans would ever implement that This was already implemented for hundreds of years. It is called "paying with cash". Sure, there are some minor edge cases, like dollar serial numbers that are sometimes tracked to catch bank robbers or whatever, but cash is mostly anonymous and untraceable.