Paper — Currency

: Governments in North America and India (late 18th century) used paper currency to facilitate trade and taxation. III. Security and Manufacturing

: Promissory notes originated in 7th-century China during the Tang Dynasty to avoid carrying heavy metal coins. paper currency

: Paper money is an official national currency regulated by central banks. : Governments in North America and India (late

: Modern systems use fuzzy logic, image processing, and machine learning to distinguish genuine notes from increasingly sophisticated fakes. IV. Economic Costs and Benefits Costs and Benefits to Phasing Out Paper Currency - NBER : Paper money is an official national currency

: Sweden's Stockholms Banco issued the first European banknotes in 1661.

: Despite the rapid rise of digital payments, paper currency remains a critical tool for financial inclusion, privacy, and systemic resilience. II. Historical Evolution

: While modern banknotes like the US dollar are fiat money (having no intrinsic value), they serve as the primary medium of exchange in many economies.