> They should have made the note look similar to a normal one, but with some kind of tracking enabled. By making it stand out, it defeated the purpose entirely.

> They should have made the note look similar to a normal one, but with some kind of tracking enabled. By making it stand out, it defeated the purpose entirely. That would be illegal. You cannot print money that looks indistinguishable from real currency. Penalties for this are very strict and severe, and the "justice" apparatus moves swiftly on this sort of stuff. After all, this is the source of the government's power over the population.