The 'supernote' seems to be made out of a similar cotton and linen blend that distinguishes U.S. currency from other forex. Whilst there are plenty of options on supernotes which might be detected with common approaches, new, far more sophisticated supernotes might be created to avoid some standard detection https://www.facebook.com/share/CY7Hhg5dGX472xVT/?mibextid=qi2Omg