why was the sog dynasties shift to paper crrency an improvemet over coin currency?

The shift to paper currency was an improvement over coin currency for several reasons:

1. Convenience: Paper currency is lighter and easier to carry than coins, making it more convenient for everyday transactions.

2. Portability: Paper currency is easier to transport in large quantities, making it more suitable for trade and commerce.

3. Counterfeiting: Paper currency can be designed with advanced security features to prevent counterfeiting, making it more secure than coins.

4. Durability: Paper currency generally lasts longer than coins, which can become worn or damaged over time.

5. Standardization: Paper currency allows for a more standardized system of payment, with uniform denominations and designs across a region or country.

6. Economic stability: Paper currency can be more easily controlled by the government, allowing for better management of the money supply and inflation.

Overall, the shift to paper currency was seen as a more practical and efficient form of currency compared to coin currency.