Can you spot the fake?

[malj1]

Can you spot the fake? see more at Daily Mail Tuesday, Apr 24th 2018

Sydney man who made $1million in counterfeit $50 notes boasts he forced complete overhaul of Australia's currency design*

  * See Australia: New $50

[Figleaf]

This sort of thing happens in the computer world also. Designers believe they made safe software. Hackers prove they are wrong. A very good way to test software for safety is to hire some bored, hacking students to see if they can crack the software.

You could do something similar with banknotes: hire some people with graphic and computer skills to test the design of new banknotes.

Peter