To give an absolute “no” here is presumptive. There are many unique indicators for a human. DNA is unique. At most, there is a small statistical chance of on

To give an absolute “no” here is presumptive. There are many unique indicators for a human. DNA is unique. At most, there is a small statistical chance of one or two other twins with identical DNA. That could be used to have some level of digital identity binding. If the technology existed to take a neural snapshot, that would be completely unique. And I would argue if anything had the ability to operate at the complexity of a brain, then it deserves representation. If you were to automated the entire system top down for identity validation, there are possible avenues to get a high degree of assurance that someone is uniquely human on a system. Just because it hasn’t been done yet does not me it is impossible. But it is a very hard problem.