1. Convenience: Paper money and coins are more convenient to use than other forms of currency, such as barter or precious metals. They are lightweight, easy to carry, and can be easily exchanged for goods and services.
2. Durability: Paper money and coins are more durable than other forms of currency. They can withstand wear and tear, and can last for many years.
3. Divisibility: Paper money and coins can be easily divided into smaller denominations, which makes them suitable for a wide range of transactions.
4. Acceptability: Paper money and coins are widely accepted as a form of payment, both within the US and in many other countries around the world.
5. Control: The US government has more control over the supply of paper money and coins than it does over other forms of currency. This allows the government to manage the economy and prevent inflation.
6. Security: Paper money and coins are difficult to counterfeit, which helps to protect the public from fraud.
7. Tradition: Paper money and coins have been used as a form of currency in the US for centuries, and they have become a part of the country's culture and history.