A banknote is a type of paper or polymer money issued by a bank or monetary authority, representing a specific monetary value and accepted as legal tender.

Definition and Purpose

A banknote, also called a bill or note, is a promissory instrument issued by a bank or central authority that can be exchanged for goods, services, or other forms of money at its face value without interest  It serves as a medium of exchange, allowing people to conduct transactions conveniently without using coins or precious metals  Modern banknotes are typically issued by a country’s central bank or treasury and are recognized by law as legal tender, meaning they must be accepted for payment of debts 

Materials and Design

Banknotes are usually made from paper or polymer, designed to be durable and difficult to counterfeit .They often feature national symbols, historical figures, landmarks, and intricate security features such as watermarks, holograms, and microprinting . Each note clearly displays its face value, indicating its monetary worth, and may include emblems of the issuing authority, such as the Federal Reserve in the United States .