**History and Origin?
What are the key security features commonly incorporated into modern banknotes to prevent counterfeiting, and how do they work?
How do central banks decide when to print new banknotes, and what factors influence the design and denominations of new issues?
How have advancements in technology affected the production and design of banknotes over the past few decades?
What are the environmental impacts of banknote production, and what measures are being taken to create more sustainable currency options?
How do different countries handle the transition and withdrawal of outdated or damaged banknotes from circulation?
