De La Rue plc is a United Kingdom-based commercial banknote printer, security paper maker and provider of security products and software solutions. The Company's segments include Currency, Identity Systems, and Product Authentication and Traceability. The Currency segment provides printed banknotes, banknote paper and polymer substrates and banknote security components. The Identity Systems segment is involved in provision of passport, e-Passport, driving license and voter registration schemes. The Product Authentication and Traceability segment produces security documents, including authentication labels, brand licensing products, government documents, checks and postage stamps. The Company also provides a range of specialist services and software solutions, including government identity schemes and product authentication systems. It produces a range of other security products, including tax stamps for governments. Its other products include assuring purchasers of product validity.