**What are the key security features commonly incorporated into modern banknotes to prevent counterfeiting?
5. **What are the historical origins of banknotes, and how have they evolved over time in terms of usage and design?
4. **How has the transition from paper to polymer banknotes impacted both the economy and the environment?
3. **What materials are commonly used in the production of banknotes, and how do these materials affect durability and cost?
2. **How do different countries decide on the design and imagery featured on their banknotes?
**What are the primary security features found on modern banknotes to prevent counterfeiting?
These questions explore various aspects of banknote design, security, usage, and the challenges they face in a digital world.?
5. **What role do banknotes play in the digital economy, and how is their usage changing with the rise of digital payment methods?
4. **How do central banks decide when to introduce new banknote designs or denominations into circulation?
3. **What materials are typically used in the production of banknotes, and how do these materials affect their durability and lifespan?
