
Political and economic instability accompanied by a high inflation or high scale of counterfeiting Biological motives, social, institutional and technical preconditions make the banknotes counterfeiting possible and attractive As an example of technical preconditions, the dramatic growth of counterfeits made by modern reprographic devices is to be mentioned

There is a limited reason to place any highly sophisticated security feature into a banknote;
Sophisticated banknotes need sophisticated expert systems such as
The Catalogue of CurrenciesMission: Professional, simple and effective work with global currencies
In time information (monthly update): New issuing banknotes; changes of Legal Tender/Recall periods; typical counterfeits; upgrades
Genuineness (Overt, Semi-covert, Covert security features): Locations; indications; illustrations; video sequences; detail descriptions of security features and recognition process (knowledge, look, tilt, feel, devices)
Validity: Automatic monitoring of Legal Tender/Recall periods

Administration: Central or/and local settings, central updating, internal purchase/sale rules, annotations
Knowledge, training, education, survey, recognition, detection, comprehensive databases in time, sample room
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